320220120100 has 36 divisors (see below), whose sum is σ = 695305105264. Its totient is φ = 128009256480.

The previous prime is 320220120041. The next prime is 320220120107. The reversal of 320220120100 is 1021022023.

It is not an unprimeable number, because it can be changed into a prime (320220120107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 821382 + ... + 1146781.

Almost surely, 2^320220120100 is an apocalyptic number.

It is an amenable number.

320220120100 is an abundant number, since it is smaller than the sum of its proper divisors (375084985164).

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

320220120100 is a wasteful number, since it uses less digits than its factorization.

320220120100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1969804 (or 1969797 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 320220120100 its reverse (1021022023), we get a palindrome (321241142123).

The spelling of 320220120100 in words is "three hundred twenty billion, two hundred twenty million, one hundred twenty thousand, one hundred".