531352020 has 24 divisors (see below), whose sum is σ = 1487785824. Its totient is φ = 141693856.

The previous prime is 531351943. The next prime is 531352033. The reversal of 531352020 is 20253135.

It is a congruent number.

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, 4427874 + ... + 4427993.

It is an arithmetic number, because the mean of its divisors is an integer number (61991076).

Almost surely, 2^531352020 is an apocalyptic number.

It is an amenable number.

531352020 is an abundant number, since it is smaller than the sum of its proper divisors (956433804).

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

531352020 is a wasteful number, since it uses less digits than its factorization.

531352020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8855879 (or 8855877 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 531352020 is about 23051.0741615223. The cubic root of 531352020 is about 809.9547909534.

It can be divided in two parts, 53135 and 2020, that added together give a palindrome (55155).

The spelling of 531352020 in words is "five hundred thirty-one million, three hundred fifty-two thousand, twenty".