20552204 has 12 divisors (see below), whose sum is σ = 36048264. Its totient is φ = 10252704.

The previous prime is 20552177. The next prime is 20552249. The reversal of 20552204 is 40225502.

It is an unprimeable number.

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, 3794 + ... + 7449.

It is an arithmetic number, because the mean of its divisors is an integer number (3004022).

Almost surely, 2^20552204 is an apocalyptic number.

It is an amenable number.

20552204 is a deficient number, since it is larger than the sum of its proper divisors (15496060).

20552204 is a wasteful number, since it uses less digits than its factorization.

20552204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11704 (or 11702 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 20552204 is about 4533.4538709465. The cubic root of 20552204 is about 273.9173032621.

Adding to 20552204 its reverse (40225502), we get a palindrome (60777706).

The spelling of 20552204 in words is "twenty million, five hundred fifty-two thousand, two hundred four".