20933204 has 6 divisors (see below), whose sum is σ = 36633114. Its totient is φ = 10466600.

The previous prime is 20933203. The next prime is 20933207. The reversal of 20933204 is 40233902.

It can be written as a sum of positive squares in only one way, i.e., 13104400 + 7828804 = 3620^2 + 2798^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20933204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20933203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2616647 + ... + 2616654.

It is an arithmetic number, because the mean of its divisors is an integer number (6105519).

Almost surely, 2^20933204 is an apocalyptic number.

It is an amenable number.

20933204 is a deficient number, since it is larger than the sum of its proper divisors (15699910).

20933204 is a wasteful number, since it uses less digits than its factorization.

20933204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5233305 (or 5233303 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 20933204 is about 4575.2818492416. The cubic root of 20933204 is about 275.5995909170.

The spelling of 20933204 in words is "twenty million, nine hundred thirty-three thousand, two hundred four".