120020022021 has 24 divisors (see below), whose sum is σ = 173055466080. Its totient is φ = 73895357536.

The previous prime is 120020022019. The next prime is 120020022047. The reversal of 120020022021 is 120220020021.

It is not a de Polignac number, because 120020022021 - 2¹ = 120020022019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120020021988 and 120020022006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120020022091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1257891 + ... + 1349936.

It is an arithmetic number, because the mean of its divisors is an integer number (7210644420).

Almost surely, 2^120020022021 is an apocalyptic number.

It is an amenable number.

120020022021 is a deficient number, since it is larger than the sum of its proper divisors (53035444059).

120020022021 is a wasteful number, since it uses less digits than its factorization.

120020022021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2607905 (or 2607882 counting only the distinct ones).

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

Adding to 120020022021 its reverse (120220020021), we get a palindrome (240240042042).

It can be divided in two parts, 1200200 and 22021, that added together give a palindrome (1222221).

The spelling of 120020022021 in words is "one hundred twenty billion, twenty million, twenty-two thousand, twenty-one".