201929085 has 16 divisors (see below), whose sum is σ = 358985280. Its totient is φ = 107695440.

The previous prime is 201929069. The next prime is 201929107. The reversal of 201929085 is 580929102.

It is not a de Polignac number, because 201929085 - 2⁴ = 201929069 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 747751 + ... + 748020.

It is an arithmetic number, because the mean of its divisors is an integer number (22436580).

Almost surely, 2^201929085 is an apocalyptic number.

It is an amenable number.

201929085 is a deficient number, since it is larger than the sum of its proper divisors (157056195).

201929085 is a wasteful number, since it uses less digits than its factorization.

201929085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1495785 (or 1495779 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 201929085 is about 14210.1754035621. The cubic root of 201929085 is about 586.6777608884.

The spelling of 201929085 in words is "two hundred one million, nine hundred twenty-nine thousand, eighty-five".