225793073820 has 48 divisors (see below), whose sum is σ = 632769127200. Its totient is φ = 60159246336.

The previous prime is 225793073819. The next prime is 225793073839. The reversal of 225793073820 is 28370397522.

It is a self number, because there is not a number n which added to its sum of digits gives 225793073820.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1562745 + ... + 1701104.

It is an arithmetic number, because the mean of its divisors is an integer number (13182690150).

Almost surely, 2^225793073820 is an apocalyptic number.

225793073820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225793073820 is an abundant number, since it is smaller than the sum of its proper divisors (406976053380).

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

225793073820 is a wasteful number, since it uses less digits than its factorization.

225793073820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3265014 (or 3265012 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 48.

The spelling of 225793073820 in words is "two hundred twenty-five billion, seven hundred ninety-three million, seventy-three thousand, eight hundred twenty".