20099835752 has 32 divisors (see below), whose sum is σ = 38487302280. Its totient is φ = 9837434880.

The previous prime is 20099835737. The next prime is 20099835757. The reversal of 20099835752 is 25753899002.

It can be written as a sum of positive squares in 4 ways, for example, as 11812646596 + 8287189156 = 108686^2 + 91034^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20099835752.

It is not an unprimeable number, because it can be changed into a prime (20099835757) 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, 128852 + ... + 238332.

Almost surely, 2^20099835752 is an apocalyptic number.

It is an amenable number.

20099835752 is a deficient number, since it is larger than the sum of its proper divisors (18387466528).

20099835752 is a wasteful number, since it uses less digits than its factorization.

20099835752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109973 (or 109969 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 50.

The spelling of 20099835752 in words is "twenty billion, ninety-nine million, eight hundred thirty-five thousand, seven hundred fifty-two".