20106759699 has 24 divisors (see below), whose sum is σ = 31484343072. Its totient is φ = 12291436800.

The previous prime is 20106759649. The next prime is 20106759713. The reversal of 20106759699 is 99695760102.

It is not a de Polignac number, because 20106759699 - 2¹¹ = 20106757651 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20106759649) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 551382 + ... + 586715.

It is an arithmetic number, because the mean of its divisors is an integer number (1311847628).

Almost surely, 2^20106759699 is an apocalyptic number.

20106759699 is a deficient number, since it is larger than the sum of its proper divisors (11377583373).

20106759699 is a wasteful number, since it uses less digits than its factorization.

20106759699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138267 (or 1138264 counting only the distinct ones).

The product of its (nonzero) digits is 1837080, while the sum is 54.

The spelling of 20106759699 in words is "twenty billion, one hundred six million, seven hundred fifty-nine thousand, six hundred ninety-nine".