120989020 has 12 divisors (see below), whose sum is σ = 254076984. Its totient is φ = 48395600.

The previous prime is 120988997. The next prime is 120989021. The reversal of 120989020 is 20989021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120989021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3024706 + ... + 3024745.

It is an arithmetic number, because the mean of its divisors is an integer number (21173082).

Almost surely, 2^120989020 is an apocalyptic number.

120989020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120989020 is an abundant number, since it is smaller than the sum of its proper divisors (133087964).

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

120989020 is a wasteful number, since it uses less digits than its factorization.

120989020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6049460 (or 6049458 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 120989020 is about 10999.5008977680. The cubic root of 120989020 is about 494.5937829797.

Subtracting from 120989020 its reverse (20989021), we obtain a palindrome (99999999).

The spelling of 120989020 in words is "one hundred twenty million, nine hundred eighty-nine thousand, twenty".