1372220320 has 48 divisors (see below), whose sum is σ = 3244969728. Its totient is φ = 548363520.

The previous prime is 1372220309. The next prime is 1372220351. The reversal of 1372220320 is 230222731.

It is a junction number, because it is equal to n+sod(n) for n = 1372220291 and 1372220300.

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, 193477 + ... + 200443.

It is an arithmetic number, because the mean of its divisors is an integer number (67603536).

Almost surely, 2^1372220320 is an apocalyptic number.

1372220320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1372220320 is an abundant number, since it is smaller than the sum of its proper divisors (1872749408).

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

1372220320 is a wasteful number, since it uses less digits than its factorization.

1372220320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8213 (or 8205 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 1372220320 is about 37043.4922759720. The cubic root of 1372220320 is about 1111.2402121398.

The spelling of 1372220320 in words is "one billion, three hundred seventy-two million, two hundred twenty thousand, three hundred twenty".