804731020 has 12 divisors (see below), whose sum is σ = 1689935184. Its totient is φ = 321892400.

The previous prime is 804731003. The next prime is 804731021. The reversal of 804731020 is 20137408.

It is not an unprimeable number, because it can be changed into a prime (804731021) 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, 20118256 + ... + 20118295.

It is an arithmetic number, because the mean of its divisors is an integer number (140827932).

Almost surely, 2^804731020 is an apocalyptic number.

It is an amenable number.

804731020 is an abundant number, since it is smaller than the sum of its proper divisors (885204164).

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

804731020 is a wasteful number, since it uses less digits than its factorization.

804731020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40236560 (or 40236558 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 804731020 is about 28367.7813725360. The cubic root of 804731020 is about 930.1441253489.

Adding to 804731020 its reverse (20137408), we get a palindrome (824868428).

The spelling of 804731020 in words is "eight hundred four million, seven hundred thirty-one thousand, twenty".