20212204 has 6 divisors (see below), whose sum is σ = 35371364. Its totient is φ = 10106100.

The previous prime is 20212187. The next prime is 20212223. The reversal of 20212204 is 40221202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2526522 + ... + 2526529.

Almost surely, 2^20212204 is an apocalyptic number.

It is an amenable number.

20212204 is a deficient number, since it is larger than the sum of its proper divisors (15159160).

20212204 is a wasteful number, since it uses less digits than its factorization.

20212204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5053055 (or 5053053 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 20212204 is about 4495.7984830283. The cubic root of 20212204 is about 272.3984033349.

Adding to 20212204 its reverse (40221202), we get a palindrome (60433406).

It can be divided in two parts, 2021 and 2204, that added together give a square (4225 = 65²).

The spelling of 20212204 in words is "twenty million, two hundred twelve thousand, two hundred four".