120204400 has 30 divisors (see below), whose sum is σ = 288792032. Its totient is φ = 48081600.

The previous prime is 120204397. The next prime is 120204401. The reversal of 120204400 is 4402021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120204401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 149856 + ... + 150655.

Almost surely, 2^120204400 is an apocalyptic number.

120204400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120204400 is an abundant number, since it is smaller than the sum of its proper divisors (168587632).

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

120204400 is a wasteful number, since it uses less digits than its factorization.

120204400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300529 (or 300518 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 120204400 is about 10963.7767215499. The cubic root of 120204400 is about 493.5223080913.

Adding to 120204400 its reverse (4402021), we get a palindrome (124606421).

The spelling of 120204400 in words is "one hundred twenty million, two hundred four thousand, four hundred".