652997020 has 48 divisors (see below), whose sum is σ = 1524434688. Its totient is φ = 233326080.

The previous prime is 652997003. The next prime is 652997027. The reversal of 652997020 is 20799256.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652997027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32449 + ... + 48568.

It is an arithmetic number, because the mean of its divisors is an integer number (31759056).

Almost surely, 2^652997020 is an apocalyptic number.

It is an amenable number.

652997020 is an abundant number, since it is smaller than the sum of its proper divisors (871437668).

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

652997020 is a wasteful number, since it uses less digits than its factorization.

652997020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81070 (or 81068 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 652997020 is about 25553.8063700890. The cubic root of 652997020 is about 867.5684161230.

The spelling of 652997020 in words is "six hundred fifty-two million, nine hundred ninety-seven thousand, twenty".