320213020100 has 36 divisors (see below), whose sum is σ = 695573686164. Its totient is φ = 127954068480.

The previous prime is 320213020081. The next prime is 320213020121. The reversal of 320213020100 is 1020312023.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 64077834496 + 256135185604 = 253136^2 + 506098^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1541057 + ... + 1736456.

Almost surely, 2^320213020100 is an apocalyptic number.

It is an amenable number.

320213020100 is an abundant number, since it is smaller than the sum of its proper divisors (375360666064).

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

320213020100 is a wasteful number, since it uses less digits than its factorization.

320213020100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3278504 (or 3278497 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 320213020100 its reverse (1020312023), we get a palindrome (321233332123).

The spelling of 320213020100 in words is "three hundred twenty billion, two hundred thirteen million, twenty thousand, one hundred".