20883365 has 8 divisors (see below), whose sum is σ = 25252128. Its totient is φ = 16578640.

The previous prime is 20883347. The next prime is 20883371. The reversal of 20883365 is 56338802.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20883365 - 2²² = 16689061 is a prime.

It is a super-2 number, since 2×20883365² = 872229867446450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 15287 + ... + 16596.

It is an arithmetic number, because the mean of its divisors is an integer number (3156516).

Almost surely, 2^20883365 is an apocalyptic number.

It is an amenable number.

20883365 is a deficient number, since it is larger than the sum of its proper divisors (4368763).

20883365 is a wasteful number, since it uses less digits than its factorization.

20883365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32019.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 20883365 is about 4569.8320538068. The cubic root of 20883365 is about 275.3806958815.

The spelling of 20883365 in words is "twenty million, eight hundred eighty-three thousand, three hundred sixty-five".