20331447152 has 20 divisors (see below), whose sum is σ = 39409519296. Its totient is φ = 10161248640.

The previous prime is 20331447137. The next prime is 20331447161. The reversal of 20331447152 is 25174413302.

It is a super-2 number, since 2×20331447152² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242048 + ... + 315039.

Almost surely, 2^20331447152 is an apocalyptic number.

It is an amenable number.

20331447152 is a deficient number, since it is larger than the sum of its proper divisors (19078072144).

20331447152 is a wasteful number, since it uses less digits than its factorization.

20331447152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559376 (or 559370 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The spelling of 20331447152 in words is "twenty billion, three hundred thirty-one million, four hundred forty-seven thousand, one hundred fifty-two".