201450120 has 32 divisors (see below), whose sum is σ = 604350720. Its totient is φ = 53720000.

The previous prime is 201450113. The next prime is 201450133. The reversal of 201450120 is 21054102.

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

It is a self number, because there is not a number n which added to its sum of digits gives 201450120.

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, 839256 + ... + 839495.

It is an arithmetic number, because the mean of its divisors is an integer number (18885960).

Almost surely, 2^201450120 is an apocalyptic number.

201450120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201450120 is an abundant number, since it is smaller than the sum of its proper divisors (402900600).

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

201450120 is a wasteful number, since it uses less digits than its factorization.

201450120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1678765 (or 1678761 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 201450120 is about 14193.3125097702. The cubic root of 201450120 is about 586.2135375567.

The spelling of 201450120 in words is "two hundred one million, four hundred fifty thousand, one hundred twenty".