120022002220 has 12 divisors (see below), whose sum is σ = 252046204704. Its totient is φ = 48008800880.

The previous prime is 120022002197. The next prime is 120022002223. The reversal of 120022002220 is 22200220021.

It is a self number, because there is not a number n which added to its sum of digits gives 120022002220.

It is not an unprimeable number, because it can be changed into a prime (120022002223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3000550036 + ... + 3000550075.

It is an arithmetic number, because the mean of its divisors is an integer number (21003850392).

Almost surely, 2^120022002220 is an apocalyptic number.

120022002220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120022002220 is an abundant number, since it is smaller than the sum of its proper divisors (132024202484).

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

120022002220 is a wasteful number, since it uses less digits than its factorization.

120022002220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6001100120 (or 6001100118 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 120022002220 its reverse (22200220021), we get a palindrome (142222222241).

The spelling of 120022002220 in words is "one hundred twenty billion, twenty-two million, two thousand, two hundred twenty".