120100002020220 has 96 divisors (see below), whose sum is σ = 342002320128000. Its totient is φ = 31481756792064.

The previous prime is 120100002020209. The next prime is 120100002020363. The reversal of 120100002020220 is 22020200001021.

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 = 120100002020196 and 120100002020205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52688382 + ... + 54920538.

It is an arithmetic number, because the mean of its divisors is an integer number (3562524168000).

Almost surely, 2^{120100002020220} is an apocalyptic number.

120100002020220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120100002020220 is an abundant number, since it is smaller than the sum of its proper divisors (221902318107780).

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

120100002020220 is a wasteful number, since it uses less digits than its factorization.

120100002020220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2247427 (or 2247425 counting only the distinct ones).

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

Adding to 120100002020220 its reverse (22020200001021), we get a palindrome (142120202021241).

The spelling of 120100002020220 in words is "one hundred twenty trillion, one hundred billion, two million, twenty thousand, two hundred twenty".