537666020 has 24 divisors (see below), whose sum is σ = 1130035200. Its totient is φ = 214888032.

The previous prime is 537666007. The next prime is 537666037. The reversal of 537666020 is 20666735.

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, 15071 + ... + 36089.

It is an arithmetic number, because the mean of its divisors is an integer number (47084800).

Almost surely, 2^537666020 is an apocalyptic number.

It is an amenable number.

537666020 is an abundant number, since it is smaller than the sum of its proper divisors (592369180).

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

537666020 is a wasteful number, since it uses less digits than its factorization.

537666020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22307 (or 22305 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 537666020 is about 23187.6264417038. The cubic root of 537666020 is about 813.1503690535.

The spelling of 537666020 in words is "five hundred thirty-seven million, six hundred sixty-six thousand, twenty".