204420772 has 12 divisors (see below), whose sum is σ = 376564720. Its totient is φ = 96830856.

The previous prime is 204420761. The next prime is 204420773. The reversal of 204420772 is 277024402.

204420772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 204420772.

It is not an unprimeable number, because it can be changed into a prime (204420773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1344798 + ... + 1344949.

Almost surely, 2^204420772 is an apocalyptic number.

It is an amenable number.

204420772 is a deficient number, since it is larger than the sum of its proper divisors (172143948).

204420772 is a wasteful number, since it uses less digits than its factorization.

204420772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2689770 (or 2689768 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 28.

The square root of 204420772 is about 14297.5792356608. The cubic root of 204420772 is about 589.0809900131.

The spelling of 204420772 in words is "two hundred four million, four hundred twenty thousand, seven hundred seventy-two".