331202220120 has 96 divisors (see below), whose sum is σ = 1082354429520. Its totient is φ = 87832615680.

The previous prime is 331202220113. The next prime is 331202220149. The reversal of 331202220120 is 21022202133.

It is a super-2 number, since 2×331202220120² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 331202220093 and 331202220102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2476294 + ... + 2606613.

Almost surely, 2^331202220120 is an apocalyptic number.

331202220120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

331202220120 is an abundant number, since it is smaller than the sum of its proper divisors (751152209400).

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

331202220120 is a wasteful number, since it uses less digits than its factorization.

331202220120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5083105 (or 5083098 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 331202220120 its reverse (21022202133), we get a palindrome (352224422253).

The spelling of 331202220120 in words is "three hundred thirty-one billion, two hundred two million, two hundred twenty thousand, one hundred twenty".