36993220 has 24 divisors (see below), whose sum is σ = 84748608. Its totient is φ = 13452000.

The previous prime is 36993211. The next prime is 36993283. The reversal of 36993220 is 2239963.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83856 + ... + 84295.

It is an arithmetic number, because the mean of its divisors is an integer number (3531192).

Almost surely, 2^36993220 is an apocalyptic number.

It is an amenable number.

36993220 is an abundant number, since it is smaller than the sum of its proper divisors (47755388).

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

36993220 is a wasteful number, since it uses less digits than its factorization.

36993220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168171 (or 168169 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 34.

The square root of 36993220 is about 6082.2051921980. The cubic root of 36993220 is about 333.2018303499.

The spelling of 36993220 in words is "thirty-six million, nine hundred ninety-three thousand, two hundred twenty".