201293220 has 48 divisors (see below), whose sum is σ = 593288640. Its totient is φ = 50852736.

The previous prime is 201293219. The next prime is 201293251. The reversal of 201293220 is 22392102.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87147 + ... + 89426.

It is an arithmetic number, because the mean of its divisors is an integer number (12360180).

Almost surely, 2^201293220 is an apocalyptic number.

201293220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201293220 is an abundant number, since it is smaller than the sum of its proper divisors (391995420).

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

201293220 is a wasteful number, since it uses less digits than its factorization.

201293220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176604 (or 176602 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 201293220 is about 14187.7841821759. The cubic root of 201293220 is about 586.0613066667.

The spelling of 201293220 in words is "two hundred one million, two hundred ninety-three thousand, two hundred twenty".