199520013 has 32 divisors (see below), whose sum is σ = 338457600. Its totient is φ = 103640880.

The previous prime is 199520003. The next prime is 199520033. The reversal of 199520013 is 310025991.

It is not a de Polignac number, because 199520013 - 2¹⁶ = 199454477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199520003) 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, 2506 + ... + 20132.

It is an arithmetic number, because the mean of its divisors is an integer number (10576800).

Almost surely, 2^199520013 is an apocalyptic number.

It is an amenable number.

199520013 is a deficient number, since it is larger than the sum of its proper divisors (138937587).

199520013 is a wasteful number, since it uses less digits than its factorization.

199520013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17662 (or 17648 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 30.

The square root of 199520013 is about 14125.1553265796. The cubic root of 199520013 is about 584.3353427214.

The spelling of 199520013 in words is "one hundred ninety-nine million, five hundred twenty thousand, thirteen".