20607155612 has 12 divisors (see below), whose sum is σ = 36123340176. Its totient is φ = 10286201280.

The previous prime is 20607155581. The next prime is 20607155651. The reversal of 20607155612 is 21655170602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4341464 + ... + 4346207.

It is an arithmetic number, because the mean of its divisors is an integer number (3010278348).

Almost surely, 2^20607155612 is an apocalyptic number.

It is an amenable number.

20607155612 is a deficient number, since it is larger than the sum of its proper divisors (15516184564).

20607155612 is a wasteful number, since it uses less digits than its factorization.

20607155612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8688268 (or 8688266 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 35.

The spelling of 20607155612 in words is "twenty billion, six hundred seven million, one hundred fifty-five thousand, six hundred twelve".