20313121132 has 24 divisors (see below), whose sum is σ = 36758395520. Its totient is φ = 9811860480.

The previous prime is 20313121121. The next prime is 20313121159. The reversal of 20313121132 is 23112131302.

It is a super-2 number, since 2×20313121132² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70407 + ... + 213502.

Almost surely, 2^20313121132 is an apocalyptic number.

It is an amenable number.

20313121132 is a deficient number, since it is larger than the sum of its proper divisors (16445274388).

20313121132 is a wasteful number, since it uses less digits than its factorization.

20313121132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284521 (or 284519 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 20313121132 its reverse (23112131302), we get a palindrome (43425252434).

The spelling of 20313121132 in words is "twenty billion, three hundred thirteen million, one hundred twenty-one thousand, one hundred thirty-two".