36520520 has 16 divisors (see below), whose sum is σ = 82171260. Its totient is φ = 14608192.

The previous prime is 36520507. The next prime is 36520531. The reversal of 36520520 is 2502563.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 36264484 + 256036 = 6022^2 + 506^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 456467 + ... + 456546.

Almost surely, 2^36520520 is an apocalyptic number.

It is an amenable number.

36520520 is an abundant number, since it is smaller than the sum of its proper divisors (45650740).

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

36520520 is a wasteful number, since it uses less digits than its factorization.

36520520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913024 (or 913020 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 36520520 is about 6043.2209954626. The cubic root of 36520520 is about 331.7765225624.

The spelling of 36520520 in words is "thirty-six million, five hundred twenty thousand, five hundred twenty".