20832255 has 16 divisors (see below), whose sum is σ = 37035360. Its totient is φ = 11110464.

The previous prime is 20832239. The next prime is 20832263. The reversal of 20832255 is 55223802.

It is not a de Polignac number, because 20832255 - 2⁴ = 20832239 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77022 + ... + 77291.

It is an arithmetic number, because the mean of its divisors is an integer number (2314710).

Almost surely, 2^20832255 is an apocalyptic number.

20832255 is a deficient number, since it is larger than the sum of its proper divisors (16203105).

20832255 is a wasteful number, since it uses less digits than its factorization.

20832255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154327 (or 154321 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 20832255 is about 4564.2365188496. The cubic root of 20832255 is about 275.1558565550.

The spelling of 20832255 in words is "twenty million, eight hundred thirty-two thousand, two hundred fifty-five".