201266628 has 24 divisors (see below), whose sum is σ = 470749440. Its totient is φ = 66927840.

The previous prime is 201266603. The next prime is 201266657. The reversal of 201266628 is 826662102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14868 + ... + 24971.

It is an arithmetic number, because the mean of its divisors is an integer number (19614560).

Almost surely, 2^201266628 is an apocalyptic number.

It is an amenable number.

201266628 is an abundant number, since it is smaller than the sum of its proper divisors (269482812).

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

201266628 is a wasteful number, since it uses less digits than its factorization.

201266628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40267 (or 40265 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 201266628 is about 14186.8470069991. The cubic root of 201266628 is about 586.0354981660.

The spelling of 201266628 in words is "two hundred one million, two hundred sixty-six thousand, six hundred twenty-eight".