18802130 has 16 divisors (see below), whose sum is σ = 33989760. Its totient is φ = 7488432.

The previous prime is 18802123. The next prime is 18802141. The reversal of 18802130 is 3120881.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 18802096 and 18802105.

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, 1544 + ... + 6323.

It is an arithmetic number, because the mean of its divisors is an integer number (2124360).

Almost surely, 2^18802130 is an apocalyptic number.

18802130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18802130 is a deficient number, since it is larger than the sum of its proper divisors (15187630).

18802130 is a wasteful number, since it uses less digits than its factorization.

18802130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8113.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 18802130 is about 4336.1422947131. The cubic root of 18802130 is about 265.9106206576.

The spelling of 18802130 in words is "eighteen million, eight hundred two thousand, one hundred thirty".