120220989 has 8 divisors (see below), whose sum is σ = 183193920. Its totient is φ = 68697696.

The previous prime is 120220973. The next prime is 120220993. The reversal of 120220989 is 989022021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 120220989 - 2⁴ = 120220973 is a prime.

It is a super-2 number, since 2×120220989² = 28906172392276242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120220909) 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, 2862384 + ... + 2862425.

It is an arithmetic number, because the mean of its divisors is an integer number (22899240).

Almost surely, 2^120220989 is an apocalyptic number.

It is an amenable number.

120220989 is a deficient number, since it is larger than the sum of its proper divisors (62972931).

120220989 is an equidigital number, since it uses as much as digits as its factorization.

120220989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5724819.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 120220989 is about 10964.5332321992. The cubic root of 120220989 is about 493.5450101581.

The spelling of 120220989 in words is "one hundred twenty million, two hundred twenty thousand, nine hundred eighty-nine".