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20067020460 = 2233589417541
BaseRepresentation
bin10010101100000101…
…100110111010101100
31220210111122021001000
4102230011212322230
5312044124123320
613115121520300
71310164600554
oct225405467254
956714567030
1020067020460
118568345533
123a804a3090
131b7a542206
14d85170164
157c6aa8c90
hex4ac166eac

20067020460 has 96 divisors (see below), whose sum is σ = 63132350400. Its totient is φ = 5291066880.

The previous prime is 20067020453. The next prime is 20067020483. The reversal of 20067020460 is 6402076002.

It is a super-2 number, since 2×200670204602 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 160711 + ... + 256830.

It is an arithmetic number, because the mean of its divisors is an integer number (657628650).

Almost surely, 220067020460 is an apocalyptic number.

20067020460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20067020460 is an abundant number, since it is smaller than the sum of its proper divisors (43065329940).

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

20067020460 is a wasteful number, since it uses less digits than its factorization.

20067020460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417648 (or 417640 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

Adding to 20067020460 its reverse (6402076002), we get a palindrome (26469096462).

The spelling of 20067020460 in words is "twenty billion, sixty-seven million, twenty thousand, four hundred sixty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 89 90 108 135 178 180 267 270 356 445 534 540 801 890 1068 1335 1602 1780 2403 2670 3204 4005 4806 5340 8010 9612 12015 16020 24030 48060 417541 835082 1252623 1670164 2087705 2505246 3757869 4175410 5010492 6263115 7515738 8350820 11273607 12526230 15031476 18789345 22547214 25052460 37161149 37578690 45094428 56368035 74322298 75157380 111483447 112736070 148644596 185805745 222966894 225472140 334450341 371611490 445933788 557417235 668900682 743222980 1003351023 1114834470 1337801364 1672251705 2006702046 2229668940 3344503410 4013404092 5016755115 6689006820 10033510230 20067020460