1020204204 has 24 divisors (see below), whose sum is σ = 2520505008. Its totient is φ = 320064000.

The previous prime is 1020204191. The next prime is 1020204277. The reversal of 1020204204 is 4024020201.

1020204204 is a modest number, since divided by 204204 gives 1020 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2500297 + ... + 2500704.

It is an arithmetic number, because the mean of its divisors is an integer number (105021042).

Almost surely, 2^1020204204 is an apocalyptic number.

It is an amenable number.

1020204204 is an abundant number, since it is smaller than the sum of its proper divisors (1500300804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1020204204 is a wasteful number, since it uses less digits than its factorization.

1020204204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5001025 (or 5001023 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 1020204204 is about 31940.6356229803. The cubic root of 1020204204 is about 1006.6898803666.

Adding to 1020204204 its reverse (4024020201), we get a palindrome (5044224405).

The spelling of 1020204204 in words is "one billion, twenty million, two hundred four thousand, two hundred four".