120420330 has 16 divisors (see below), whose sum is σ = 289008864. Its totient is φ = 32112080.

The previous prime is 120420329. The next prime is 120420361. The reversal of 120420330 is 33024021.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2006976 + ... + 2007035.

It is an arithmetic number, because the mean of its divisors is an integer number (18063054).

Almost surely, 2^120420330 is an apocalyptic number.

120420330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120420330 is an abundant number, since it is smaller than the sum of its proper divisors (168588534).

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

120420330 is a wasteful number, since it uses less digits than its factorization.

120420330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4014021.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 120420330 is about 10973.6197309730. The cubic root of 120420330 is about 493.8176453813.

Adding to 120420330 its reverse (33024021), we get a palindrome (153444351).

The spelling of 120420330 in words is "one hundred twenty million, four hundred twenty thousand, three hundred thirty".