20882230 has 16 divisors (see below), whose sum is σ = 37673424. Its totient is φ = 8333920.

The previous prime is 20882209. The next prime is 20882261. The reversal of 20882230 is 3228802.

It is a junction number, because it is equal to n+sod(n) for n = 20882195 and 20882204.

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, 2784 + ... + 7036.

It is an arithmetic number, because the mean of its divisors is an integer number (2354589).

Almost surely, 2^20882230 is an apocalyptic number.

20882230 is a deficient number, since it is larger than the sum of its proper divisors (16791194).

20882230 is a wasteful number, since it uses less digits than its factorization.

20882230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4751.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 20882230 is about 4569.7078681246. The cubic root of 20882230 is about 275.3757068587.

It can be divided in two parts, 20882 and 230, that added together give a palindrome (21112).

The spelling of 20882230 in words is "twenty million, eight hundred eighty-two thousand, two hundred thirty".