20047204 has 48 divisors (see below), whose sum is σ = 38993920. Its totient is φ = 8981280.

The previous prime is 20047201. The next prime is 20047241. The reversal of 20047204 is 40274002.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (20047201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157789 + ... + 157915.

Almost surely, 2^20047204 is an apocalyptic number.

It is an amenable number.

20047204 is a deficient number, since it is larger than the sum of its proper divisors (18946716).

20047204 is a wasteful number, since it uses less digits than its factorization.

20047204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248 (or 246 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 19.

The square root of 20047204 is about 4477.4104122807. The cubic root of 20047204 is about 271.6551461527.

The spelling of 20047204 in words is "twenty million, forty-seven thousand, two hundred four".