20656150670 has 16 divisors (see below), whose sum is σ = 37199342880. Its totient is φ = 8258399904.

The previous prime is 20656150651. The next prime is 20656150693. The reversal of 20656150670 is 7605165602.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 486137 + ... + 526916.

It is an arithmetic number, because the mean of its divisors is an integer number (2324958930).

Almost surely, 2^20656150670 is an apocalyptic number.

20656150670 is a deficient number, since it is larger than the sum of its proper divisors (16543192210).

20656150670 is a wasteful number, since it uses less digits than its factorization.

20656150670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1015099.

The product of its (nonzero) digits is 75600, while the sum is 38.

The spelling of 20656150670 in words is "twenty billion, six hundred fifty-six million, one hundred fifty thousand, six hundred seventy".