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20432050130320 = 245576674428887
BaseRepresentation
bin1001010010101001101010…
…00101110000110110010000
32200100021200201000012010021
410221110311011300312100
510134224314313132240
6111242204303513224
74206111151363033
oct451246505606620
980307621005107
1020432050130320
1165682026aa744
12235ba502b8814
13b5297096401a
14508cb8c5301a
1525674036e54a
hex129535170d90

20432050130320 has 40 divisors (see below), whose sum is σ = 47505351052224. Its totient is φ = 8172676482432.

The previous prime is 20432050130309. The next prime is 20432050130339. The reversal of 20432050130320 is 2303105023402.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2398917 + ... + 6827803.

Almost surely, 220432050130320 is an apocalyptic number.

20432050130320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20432050130320 is an abundant number, since it is smaller than the sum of its proper divisors (27073300921904).

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

20432050130320 is a wasteful number, since it uses less digits than its factorization.

20432050130320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4486567 (or 4486561 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 20432050130320 its reverse (2303105023402), we get a palindrome (22735155153722).

The spelling of 20432050130320 in words is "twenty trillion, four hundred thirty-two billion, fifty million, one hundred thirty thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 57667 115334 230668 288335 461336 576670 922672 1153340 2306680 4428887 4613360 8857774 17715548 22144435 35431096 44288870 70862192 88577740 177155480 354310960 255400626629 510801253258 1021602506516 1277003133145 2043205013032 2554006266290 4086410026064 5108012532580 10216025065160 20432050130320