20232885 has 32 divisors (see below), whose sum is σ = 33530112. Its totient is φ = 10411520.

The previous prime is 20232871. The next prime is 20232887. The reversal of 20232885 is 58823202.

It is not a de Polignac number, because 20232885 - 2⁸ = 20232629 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20232887) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102607 + ... + 102803.

It is an arithmetic number, because the mean of its divisors is an integer number (1047816).

Almost surely, 2^20232885 is an apocalyptic number.

It is an amenable number.

20232885 is a deficient number, since it is larger than the sum of its proper divisors (13297227).

20232885 is a wasteful number, since it uses less digits than its factorization.

20232885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413.

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 20232885 is about 4498.0979313483. The cubic root of 20232885 is about 272.4912771104.

The spelling of 20232885 in words is "twenty million, two hundred thirty-two thousand, eight hundred eighty-five".