20883364 has 24 divisors (see below), whose sum is σ = 38384640. Its totient is φ = 9927456.

The previous prime is 20883347. The next prime is 20883371. The reversal of 20883364 is 46338802.

It is a super-2 number, since 2×20883364² = 872229783912992, 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, 6429 + ... + 9115.

It is an arithmetic number, because the mean of its divisors is an integer number (1599360).

Almost surely, 2^20883364 is an apocalyptic number.

It is an amenable number.

20883364 is a deficient number, since it is larger than the sum of its proper divisors (17501276).

20883364 is a wasteful number, since it uses less digits than its factorization.

20883364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2787 (or 2785 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 20883364 is about 4569.8319443936. The cubic root of 20883364 is about 275.3806914859.

The spelling of 20883364 in words is "twenty million, eight hundred eighty-three thousand, three hundred sixty-four".