120200021011020 has 48 divisors (see below), whose sum is σ = 336818752407648. Its totient is φ = 32028701452800.

The previous prime is 120200021011009. The next prime is 120200021011069. The reversal of 120200021011020 is 20110120002021.

It is a super-2 number, since 2×120200021011020² (a number of 29 digits) contains 22 as substring.

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 = 120200021010987 and 120200021011005.

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, 769842649 + ... + 769998768.

It is an arithmetic number, because the mean of its divisors is an integer number (7017057341826).

Almost surely, 2^{120200021011020} is an apocalyptic number.

120200021011020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120200021011020 is an abundant number, since it is smaller than the sum of its proper divisors (216618731396628).

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

120200021011020 is a wasteful number, since it uses less digits than its factorization.

120200021011020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1539842730 (or 1539842728 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 120200021011020 its reverse (20110120002021), we get a palindrome (140310141013041).

The spelling of 120200021011020 in words is "one hundred twenty trillion, two hundred billion, twenty-one million, eleven thousand, twenty".