2021205432652 has 24 divisors (see below), whose sum is σ = 4042773745920. Its totient is φ = 866153139600.

The previous prime is 2021205432641. The next prime is 2021205432661. The reversal of 2021205432652 is 2562345021202.

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, 2921974 + ... + 3546877.

It is an arithmetic number, because the mean of its divisors is an integer number (168448906080).

Almost surely, 2^{2021205432652} is an apocalyptic number.

It is an amenable number.

2021205432652 is an abundant number, since it is smaller than the sum of its proper divisors (2021568313268).

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

2021205432652 is a wasteful number, since it uses less digits than its factorization.

2021205432652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6480021 (or 6480019 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

The spelling of 2021205432652 in words is "two trillion, twenty-one billion, two hundred five million, four hundred thirty-two thousand, six hundred fifty-two".