20612204 has 12 divisors (see below), whose sum is σ = 36127728. Its totient is φ = 10290000.

The previous prime is 20612203. The next prime is 20612231. The reversal of 20612204 is 40221602.

It is not an unprimeable number, because it can be changed into a prime (20612201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 872 + ... + 6479.

It is an arithmetic number, because the mean of its divisors is an integer number (3010644).

Almost surely, 2^20612204 is an apocalyptic number.

It is an amenable number.

20612204 is a deficient number, since it is larger than the sum of its proper divisors (15515524).

20612204 is a wasteful number, since it uses less digits than its factorization.

20612204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8056 (or 8054 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 20612204 is about 4540.0665193365. The cubic root of 20612204 is about 274.1836018811.

Adding to 20612204 its reverse (40221602), we get a palindrome (60833806).

The spelling of 20612204 in words is "twenty million, six hundred twelve thousand, two hundred four".