20053204 has 6 divisors (see below), whose sum is σ = 35093114. Its totient is φ = 10026600.

The previous prime is 20053153. The next prime is 20053211. The reversal of 20053204 is 40235002.

It can be written as a sum of positive squares in only one way, i.e., 19891600 + 161604 = 4460^2 + 402^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2506647 + ... + 2506654.

Almost surely, 2^20053204 is an apocalyptic number.

It is an amenable number.

20053204 is a deficient number, since it is larger than the sum of its proper divisors (15039910).

20053204 is a wasteful number, since it uses less digits than its factorization.

20053204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5013305 (or 5013303 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 20053204 is about 4478.0803923110. The cubic root of 20053204 is about 271.6822449989.

Adding to 20053204 its reverse (40235002), we get a palindrome (60288206).

The spelling of 20053204 in words is "twenty million, fifty-three thousand, two hundred four".