Search a number
-
+
20000312332 = 22711134995083
BaseRepresentation
bin10010101000000111…
…001000110000001100
31220121212010010200121
4102220013020300030
5311430034443312
613104340034324
71305424564330
oct225007106014
956555103617
1020000312332
118533722750
123a620929a4
131b69786b50
14d7a3677c0
157c0ccd707
hex4a81c8c0c

20000312332 has 48 divisors (see below), whose sum is σ = 46993750272. Its totient is φ = 7192918080.

The previous prime is 20000312291. The next prime is 20000312341. The reversal of 20000312332 is 23321300002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2493538 + ... + 2501545.

It is an arithmetic number, because the mean of its divisors is an integer number (979036464).

Almost surely, 220000312332 is an apocalyptic number.

20000312332 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20000312332 is an abundant number, since it is smaller than the sum of its proper divisors (26993437940).

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

20000312332 is a wasteful number, since it uses less digits than its factorization.

20000312332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4995118 (or 4995116 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 20000312332 its reverse (23321300002), we get a palindrome (43321612334).

The spelling of 20000312332 in words is "twenty billion, three hundred twelve thousand, three hundred thirty-two".

Divisors: 1 2 4 7 11 13 14 22 26 28 44 52 77 91 143 154 182 286 308 364 572 1001 2002 4004 4995083 9990166 19980332 34965581 54945913 64936079 69931162 109891826 129872158 139862324 219783652 259744316 384621391 454552553 714296869 769242782 909105106 1428593738 1538485564 1818210212 2857187476 5000078083 10000156166 20000312332