20530535052 has 48 divisors (see below), whose sum is σ = 48621484800. Its totient is φ = 6741572928.

The previous prime is 20530535021. The next prime is 20530535083. The reversal of 20530535052 is 25053503502.

It is an interprime number because it is at equal distance from previous prime (20530535021) and next prime (20530535083).

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, 318073 + ... + 377135.

It is an arithmetic number, because the mean of its divisors is an integer number (1012947600).

Almost surely, 2^20530535052 is an apocalyptic number.

It is an amenable number.

20530535052 is an abundant number, since it is smaller than the sum of its proper divisors (28090949748).

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

20530535052 is a wasteful number, since it uses less digits than its factorization.

20530535052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59502 (or 59500 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 30.

The spelling of 20530535052 in words is "twenty billion, five hundred thirty million, five hundred thirty-five thousand, fifty-two".