120122222020 has 24 divisors (see below), whose sum is σ = 267095294424. Its totient is φ = 45222483456.

The previous prime is 120122221993. The next prime is 120122222027. The reversal of 120122222020 is 20222221021.

It can be written as a sum of positive squares in 4 ways, for example, as 3463087104 + 116659134916 = 58848^2 + 341554^2 .

It is a junction number, because it is equal to n+sod(n) for n = 120122221985 and 120122222003.

It is not an unprimeable number, because it can be changed into a prime (120122222027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176649987 + ... + 176650666.

It is an arithmetic number, because the mean of its divisors is an integer number (11128970601).

Almost surely, 2^120122222020 is an apocalyptic number.

120122222020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120122222020 is an abundant number, since it is smaller than the sum of its proper divisors (146973072404).

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

120122222020 is a wasteful number, since it uses less digits than its factorization.

120122222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353300679 (or 353300677 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 120122222020 its reverse (20222221021), we get a palindrome (140344443041).

Subtracting from 120122222020 its reverse (20222221021), we obtain a palindrome (99900000999).

The spelling of 120122222020 in words is "one hundred twenty billion, one hundred twenty-two million, two hundred twenty-two thousand, twenty".