20204530113 has 8 divisors (see below), whose sum is σ = 28110650688. Its totient is φ = 12884048144.

The previous prime is 20204530111. The next prime is 20204530123. The reversal of 20204530113 is 31103540202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20204530113 - 2¹ = 20204530111 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20204530113.

It is not an unprimeable number, because it can be changed into a prime (20204530111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146409570 + ... + 146409707.

It is an arithmetic number, because the mean of its divisors is an integer number (3513831336).

Almost surely, 2^20204530113 is an apocalyptic number.

20204530113 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

20204530113 is a deficient number, since it is larger than the sum of its proper divisors (7906120575).

20204530113 is a wasteful number, since it uses less digits than its factorization.

20204530113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292819303.

The product of its (nonzero) digits is 720, while the sum is 21.

The spelling of 20204530113 in words is "twenty billion, two hundred four million, five hundred thirty thousand, one hundred thirteen".