20675662614 has 80 divisors (see below), whose sum is σ = 47515073760. Its totient is φ = 6715820160.

The previous prime is 20675662597. The next prime is 20675662669. The reversal of 20675662614 is 41626657602.

20675662614 is a `hidden beast` number, since 2 + 0 + 6 + 7 + 5 + 6 + 626 + 14 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20675662614.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 8653332 + ... + 8655720.

It is an arithmetic number, because the mean of its divisors is an integer number (593938422).

Almost surely, 2^20675662614 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20675662614, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23757536880).

20675662614 is an abundant number, since it is smaller than the sum of its proper divisors (26839411146).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20675662614 is a wasteful number, since it uses less digits than its factorization.

20675662614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3747 (or 3738 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The spelling of 20675662614 in words is "twenty billion, six hundred seventy-five million, six hundred sixty-two thousand, six hundred fourteen".