20099574705 has 32 divisors (see below), whose sum is σ = 36759368448. Its totient is φ = 9186912000.

The previous prime is 20099574701. The next prime is 20099574739. The reversal of 20099574705 is 50747599002.

It is not a de Polignac number, because 20099574705 - 2² = 20099574701 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20099574701) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 915355 + ... + 937055.

It is an arithmetic number, because the mean of its divisors is an integer number (1148730264).

Almost surely, 2^20099574705 is an apocalyptic number.

It is an amenable number.

20099574705 is a deficient number, since it is larger than the sum of its proper divisors (16659793743).

20099574705 is a wasteful number, since it uses less digits than its factorization.

20099574705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30537.

The product of its (nonzero) digits is 793800, while the sum is 48.

The spelling of 20099574705 in words is "twenty billion, ninety-nine million, five hundred seventy-four thousand, seven hundred five".