36660820 has 36 divisors (see below), whose sum is σ = 89559540. Its totient is φ = 12569088.

The previous prime is 36660797. The next prime is 36660863. The reversal of 36660820 is 2806663.

36660820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 5143824 + 31516996 = 2268^2 + 5614^2 .

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 17725 + ... + 19684.

It is an arithmetic number, because the mean of its divisors is an integer number (2487765).

Almost surely, 2^36660820 is an apocalyptic number.

It is an amenable number.

36660820 is an abundant number, since it is smaller than the sum of its proper divisors (52898720).

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

36660820 is a wasteful number, since it uses less digits than its factorization.

36660820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37432 (or 37423 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 36660820 is about 6054.8179163374. The cubic root of 36660820 is about 332.2008389491.

The spelling of 36660820 in words is "thirty-six million, six hundred sixty thousand, eight hundred twenty".