201586630830 has 64 divisors (see below), whose sum is σ = 523668898368. Its totient is φ = 49369420800.

The previous prime is 201586630823. The next prime is 201586630837. The reversal of 201586630830 is 38036685102.

It is an interprime number because it is at equal distance from previous prime (201586630823) and next prime (201586630837).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201586630837) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1235071 + ... + 1388730.

It is an arithmetic number, because the mean of its divisors is an integer number (8182326537).

Almost surely, 2^201586630830 is an apocalyptic number.

201586630830 is an abundant number, since it is smaller than the sum of its proper divisors (322082267538).

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

201586630830 is a wasteful number, since it uses less digits than its factorization.

201586630830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2624021.

The product of its (nonzero) digits is 207360, while the sum is 42.

The spelling of 201586630830 in words is "two hundred one billion, five hundred eighty-six million, six hundred thirty thousand, eight hundred thirty".