182018220 has 48 divisors (see below), whose sum is σ = 510517728. Its totient is φ = 48455680.

The previous prime is 182018219. The next prime is 182018231. The reversal of 182018220 is 22810281.

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 15 ways as a sum of consecutive naturals, for example, 38380 + ... + 42860.

It is an arithmetic number, because the mean of its divisors is an integer number (10635786).

Almost surely, 2^182018220 is an apocalyptic number.

182018220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

182018220 is an abundant number, since it is smaller than the sum of its proper divisors (328499508).

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

182018220 is a wasteful number, since it uses less digits than its factorization.

182018220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5170 (or 5168 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 24.

The square root of 182018220 is about 13491.4128244599. The cubic root of 182018220 is about 566.7240211075.

The spelling of 182018220 in words is "one hundred eighty-two million, eighteen thousand, two hundred twenty".