18520076 has 6 divisors (see below), whose sum is σ = 32410140. Its totient is φ = 9260036.

The previous prime is 18520063. The next prime is 18520097. The reversal of 18520076 is 67002581.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2315006 + ... + 2315013.

It is an arithmetic number, because the mean of its divisors is an integer number (5401690).

Almost surely, 2^18520076 is an apocalyptic number.

It is an amenable number.

18520076 is a deficient number, since it is larger than the sum of its proper divisors (13890064).

18520076 is a wasteful number, since it uses less digits than its factorization.

18520076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4630023 (or 4630021 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 18520076 is about 4303.4957883098. The cubic root of 18520076 is about 264.5742588300.

The spelling of 18520076 in words is "eighteen million, five hundred twenty thousand, seventy-six".