20215463052 has 24 divisors (see below), whose sum is σ = 47371864176. Its totient is φ = 6709566208.

The previous prime is 20215463029. The next prime is 20215463063. The reversal of 20215463052 is 25036451202.

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, 3612273 + ... + 3617864.

It is an arithmetic number, because the mean of its divisors is an integer number (1973827674).

Almost surely, 2^20215463052 is an apocalyptic number.

It is an amenable number.

20215463052 is an abundant number, since it is smaller than the sum of its proper divisors (27156401124).

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

20215463052 is a wasteful number, since it uses less digits than its factorization.

20215463052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7230377 (or 7230375 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The spelling of 20215463052 in words is "twenty billion, two hundred fifteen million, four hundred sixty-three thousand, fifty-two".