201025928 has 32 divisors (see below), whose sum is σ = 401808000. Its totient is φ = 94011840.

The previous prime is 201025907. The next prime is 201025931. The reversal of 201025928 is 829520102.

It is a super-2 number, since 2×201025928² = 80822847456522368, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 201025928.

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, 3638 + ... + 20378.

It is an arithmetic number, because the mean of its divisors is an integer number (12556500).

Almost surely, 2^201025928 is an apocalyptic number.

It is an amenable number.

201025928 is a deficient number, since it is larger than the sum of its proper divisors (200782072).

201025928 is a wasteful number, since it uses less digits than its factorization.

201025928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16845 (or 16841 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 201025928 is about 14178.3612593275. The cubic root of 201025928 is about 585.8017866045.

The spelling of 201025928 in words is "two hundred one million, twenty-five thousand, nine hundred twenty-eight".