52020940 has 24 divisors (see below), whose sum is σ = 113994720. Its totient is φ = 19903488.

The previous prime is 52020911. The next prime is 52020973. The reversal of 52020940 is 4902025.

It is a happy number.

52020940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×52020940³ (a number of 24 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56085 + ... + 57004.

It is an arithmetic number, because the mean of its divisors is an integer number (4749780).

Almost surely, 2^52020940 is an apocalyptic number.

It is an amenable number.

52020940 is an abundant number, since it is smaller than the sum of its proper divisors (61973780).

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

52020940 is a wasteful number, since it uses less digits than its factorization.

52020940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113121 (or 113119 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 52020940 is about 7212.5543325510. The cubic root of 52020940 is about 373.3012107424.

Adding to 52020940 its reverse (4902025), we get a palindrome (56922965).

The spelling of 52020940 in words is "fifty-two million, twenty thousand, nine hundred forty".