20467494152 has 32 divisors (see below), whose sum is σ = 43869470400. Its totient is φ = 8769672384.

The previous prime is 20467494139. The next prime is 20467494287. The reversal of 20467494152 is 25149476402.

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, 203099 + ... + 286677.

It is an arithmetic number, because the mean of its divisors is an integer number (1370920950).

Almost surely, 2^20467494152 is an apocalyptic number.

It is an amenable number.

20467494152 is an abundant number, since it is smaller than the sum of its proper divisors (23401976248).

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

20467494152 is a wasteful number, since it uses less digits than its factorization.

20467494152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87965 (or 87961 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 44.

The spelling of 20467494152 in words is "twenty billion, four hundred sixty-seven million, four hundred ninety-four thousand, one hundred fifty-two".