120020200200021 has 64 divisors (see below), whose sum is σ = 181480725504000. Its totient is φ = 69895588934400.

The previous prime is 120020200199993. The next prime is 120020200200049. The reversal of 120020200200021 is 120002002020021.

It is an interprime number because it is at equal distance from previous prime (120020200199993) and next prime (120020200200049).

It is not a de Polignac number, because 120020200200021 - 2⁵ = 120020200199989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120020200200421) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 429552055 + ... + 429831371.

It is an arithmetic number, because the mean of its divisors is an integer number (2835636336000).

Almost surely, 2^{120020200200021} is an apocalyptic number.

120020200200021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120020200200021 is a deficient number, since it is larger than the sum of its proper divisors (61460525303979).

120020200200021 is a wasteful number, since it uses less digits than its factorization.

120020200200021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282330.

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

Adding to 120020200200021 its reverse (120002002020021), we get a palindrome (240022202220042).

The spelling of 120020200200021 in words is "one hundred twenty trillion, twenty billion, two hundred million, two hundred thousand, twenty-one".