20184882 has 16 divisors (see below), whose sum is σ = 42744672. Its totient is φ = 6332480.

The previous prime is 20184877. The next prime is 20184907. The reversal of 20184882 is 28848102.

It is a super-2 number, since 2×20184882² = 814858922707848, which contains 22 as substring.

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, 98844 + ... + 99047.

It is an arithmetic number, because the mean of its divisors is an integer number (2671542).

Almost surely, 2^20184882 is an apocalyptic number.

20184882 is an abundant number, since it is smaller than the sum of its proper divisors (22559790).

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

20184882 is a wasteful number, since it uses less digits than its factorization.

20184882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197913.

The product of its (nonzero) digits is 8192, while the sum is 33.

The square root of 20184882 is about 4492.7588406234. The cubic root of 20184882 is about 272.2756091199.

It can be divided in two parts, 201848 and 82, that added together give a triangular number (201930 = T₆₃₅).

The spelling of 20184882 in words is "twenty million, one hundred eighty-four thousand, eight hundred eighty-two".