20107291599 has 12 divisors (see below), whose sum is σ = 29092851216. Its totient is φ = 13382252352.

The previous prime is 20107291583. The next prime is 20107291601. The reversal of 20107291599 is 99519270102.

20107291599 is a `hidden beast` number, since 20 + 10 + 7 + 29 + 1 + 599 = 666.

It is not a de Polignac number, because 20107291599 - 2⁴ = 20107291583 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20107291559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1878427 + ... + 1889100.

It is an arithmetic number, because the mean of its divisors is an integer number (2424404268).

Almost surely, 2^20107291599 is an apocalyptic number.

20107291599 is a deficient number, since it is larger than the sum of its proper divisors (8985559617).

20107291599 is a wasteful number, since it uses less digits than its factorization.

20107291599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3768126 (or 3768123 counting only the distinct ones).

The product of its (nonzero) digits is 102060, while the sum is 45.

The spelling of 20107291599 in words is "twenty billion, one hundred seven million, two hundred ninety-one thousand, five hundred ninety-nine".