201028920 has 64 divisors (see below), whose sum is σ = 604156320. Its totient is φ = 53512704.

The previous prime is 201028909. The next prime is 201028939. The reversal of 201028920 is 29820102.

201028920 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

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, 89734 + ... + 91946.

Almost surely, 2^201028920 is an apocalyptic number.

201028920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201028920 is an abundant number, since it is smaller than the sum of its proper divisors (403127400).

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

201028920 is a wasteful number, since it uses less digits than its factorization.

201028920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2984 (or 2980 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 201028920 is about 14178.4667718340. The cubic root of 201028920 is about 585.8046928801.

The spelling of 201028920 in words is "two hundred one million, twenty-eight thousand, nine hundred twenty".