120122020 has 24 divisors (see below), whose sum is σ = 252673344. Its totient is φ = 47969376.

The previous prime is 120122003. The next prime is 120122021. The reversal of 120122020 is 20221021.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 120121988 and 120122006.

It is not an unprimeable number, because it can be changed into a prime (120122021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8299 + ... + 17581.

It is an arithmetic number, because the mean of its divisors is an integer number (10528056).

Almost surely, 2^120122020 is an apocalyptic number.

120122020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120122020 is an abundant number, since it is smaller than the sum of its proper divisors (132551324).

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

120122020 is a wasteful number, since it uses less digits than its factorization.

120122020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9939 (or 9937 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 120122020 is about 10960.0191605672. The cubic root of 120122020 is about 493.4095400090.

Adding to 120122020 its reverse (20221021), we get a palindrome (140343041).

Subtracting from 120122020 its reverse (20221021), we obtain a palindrome (99900999).

The spelling of 120122020 in words is "one hundred twenty million, one hundred twenty-two thousand, twenty".