2120022120 has 64 divisors (see below), whose sum is σ = 6507990720. Its totient is φ = 552190464.

The previous prime is 2120022067. The next prime is 2120022133. The reversal of 2120022120 is 212200212.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 2120022096 and 2120022105.

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, 200269 + ... + 210588.

It is an arithmetic number, because the mean of its divisors is an integer number (101687355).

Almost surely, 2^2120022120 is an apocalyptic number.

2120022120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2120022120 is an abundant number, since it is smaller than the sum of its proper divisors (4387968600).

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

2120022120 is a wasteful number, since it uses less digits than its factorization.

2120022120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410914 (or 410910 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2120022120 is about 46043.6979401090. The cubic root of 2120022120 is about 1284.6361256297.

Adding to 2120022120 its reverse (212200212), we get a palindrome (2332222332).

The spelling of 2120022120 in words is "two billion, one hundred twenty million, twenty-two thousand, one hundred twenty".