204219628 has 12 divisors (see below), whose sum is σ = 357702912. Its totient is φ = 102018800.

The previous prime is 204219601. The next prime is 204219637. The reversal of 204219628 is 826912402.

It is a junction number, because it is equal to n+sod(n) for n = 204219593 and 204219602.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17575 + ... + 26782.

It is an arithmetic number, because the mean of its divisors is an integer number (29808576).

Almost surely, 2^204219628 is an apocalyptic number.

It is an amenable number.

204219628 is a deficient number, since it is larger than the sum of its proper divisors (153483284).

204219628 is a wasteful number, since it uses less digits than its factorization.

204219628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45512 (or 45510 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 204219628 is about 14290.5433066766. The cubic root of 204219628 is about 588.8877138434.

The spelling of 204219628 in words is "two hundred four million, two hundred nineteen thousand, six hundred twenty-eight".