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20410451432 = 237109113127233
BaseRepresentation
bin10011000000100011…
…101100010111101000
31221200102212100202122
4103000203230113220
5313300033421212
613213150450412
71321534655210
oct230043542750
957612770678
1020410451432
118724193288
123b57503a08
131c037383c7
14db8a0b240
157e6ce6272
hex4c08ec5e8

20410451432 has 128 divisors (see below), whose sum is σ = 45071769600. Its totient is φ = 8486166528.

The previous prime is 20410451431. The next prime is 20410451483. The reversal of 20410451432 is 23415401402.

It is not an unprimeable number, because it can be changed into a prime (20410451431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87598388 + ... + 87598620.

It is an arithmetic number, because the mean of its divisors is an integer number (352123200).

Almost surely, 220410451432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20410451432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22535884800).

20410451432 is an abundant number, since it is smaller than the sum of its proper divisors (24661318168).

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

20410451432 is a wasteful number, since it uses less digits than its factorization.

20410451432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595 (or 591 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 20410451432 its reverse (23415401402), we get a palindrome (43825852834).

The spelling of 20410451432 in words is "twenty billion, four hundred ten million, four hundred fifty-one thousand, four hundred thirty-two".

Divisors: 1 2 4 7 8 14 28 56 109 113 127 218 226 233 254 436 452 466 508 763 791 872 889 904 932 1016 1526 1582 1631 1778 1864 3052 3164 3262 3556 6104 6328 6524 7112 12317 13048 13843 14351 24634 25397 26329 27686 28702 29591 49268 50794 52658 55372 57404 59182 86219 96901 98536 100457 101588 105316 110744 114808 118364 172438 177779 184303 193802 200914 203176 207137 210632 236728 344876 355558 368606 387604 401828 414274 689752 711116 737212 775208 803656 828548 1422232 1474424 1564259 1657096 2869861 3128518 3225419 3343783 5739722 6257036 6450838 6687566 10949813 11479444 12514072 12901676 13375132 20089027 21899626 22577933 22958888 23406481 25803352 26750264 40178054 43799252 45155866 46812962 80356108 87598504 90311732 93625924 160712216 180623464 187251848 364472347 728944694 1457889388 2551306429 2915778776 5102612858 10205225716 20410451432