20107086129 has 36 divisors (see below), whose sum is σ = 33104831760. Its totient is φ = 11722332960.

The previous prime is 20107086101. The next prime is 20107086169. The reversal of 20107086129 is 92168070102.

20107086129 is a `hidden beast` number, since 20 + 10 + 7 + 0 + 8 + 612 + 9 = 666.

It is not a de Polignac number, because 20107086129 - 2¹² = 20107082033 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20107086093 and 20107086102.

It is not an unprimeable number, because it can be changed into a prime (20107086169) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 318987 + ... + 376784.

It is an arithmetic number, because the mean of its divisors is an integer number (919578660).

Almost surely, 2^20107086129 is an apocalyptic number.

It is an amenable number.

20107086129 is a deficient number, since it is larger than the sum of its proper divisors (12997745631).

20107086129 is a wasteful number, since it uses less digits than its factorization.

20107086129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695822 (or 695806 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The spelling of 20107086129 in words is "twenty billion, one hundred seven million, eighty-six thousand, one hundred twenty-nine".