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20332322440430 = 257111312715993709
BaseRepresentation
bin1001001111101111111001…
…10110110100010011101110
32122222202021111202122010012
410213313330312310103232
510131111044021043210
6111124312345213222
74165650622116410
oct447677466642356
978882244678105
1020332322440430
116529986a56220
122344659791212
13b464396a8a30
145041380389b0
15253d54ec4305
hex127dfcdb44ee

20332322440430 has 128 divisors (see below), whose sum is σ = 49525738536960. Its totient is φ = 5803796759040.

The previous prime is 20332322440429. The next prime is 20332322440511. The reversal of 20332322440430 is 3404422323302.

It is a happy number.

It is a super-2 number, since 2×203323224404302 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6725585 + ... + 9268124.

It is an arithmetic number, because the mean of its divisors is an integer number (386919832320).

Almost surely, 220332322440430 is an apocalyptic number.

20332322440430 is an abundant number, since it is smaller than the sum of its proper divisors (29193416096530).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20332322440430 is a wasteful number, since it uses less digits than its factorization.

20332322440430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15993874.

The product of its (nonzero) digits is 82944, while the sum is 32.

Adding to 20332322440430 its reverse (3404422323302), we get a palindrome (23736744763732).

The spelling of 20332322440430 in words is "twenty trillion, three hundred thirty-two billion, three hundred twenty-two million, four hundred forty thousand, four hundred thirty".

Divisors: 1 2 5 7 10 11 13 14 22 26 35 55 65 70 77 91 110 127 130 143 154 182 254 286 385 455 635 715 770 889 910 1001 1270 1397 1430 1651 1778 2002 2794 3302 4445 5005 6985 8255 8890 9779 10010 11557 13970 16510 18161 19558 23114 36322 48895 57785 90805 97790 115570 127127 181610 254254 635635 1271270 15993709 31987418 79968545 111955963 159937090 175930799 207918217 223911926 351861598 415836434 559779815 879653995 1039591085 1119559630 1231515593 1455427519 1759307990 2031201043 2079182170 2287100387 2463031186 2910855038 4062402086 4574200774 6157577965 7277137595 10156005215 11435501935 12315155930 14218407301 14554275190 16009702709 20312010430 22343211473 22871003870 26405613559 28436814602 32019405418 44686422946 52811227118 71092036505 80048513545 111716057365 132028067795 142184073010 156402480311 160097027090 184839294913 223432114730 264056135590 290461749149 312804960622 369678589826 580923498298 782012401555 924196474565 1452308745745 1564024803110 1848392949130 2033232244043 2904617491490 4066464488086 10166161220215 20332322440430