20606614556 has 24 divisors (see below), whose sum is σ = 39348898176. Its totient is φ = 9364500720.

The previous prime is 20606614547. The next prime is 20606614577. The reversal of 20606614556 is 65541660602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149675 + ... + 252221.

It is an arithmetic number, because the mean of its divisors is an integer number (1639537424).

Almost surely, 2^20606614556 is an apocalyptic number.

It is an amenable number.

20606614556 is a deficient number, since it is larger than the sum of its proper divisors (18742283620).

20606614556 is a wasteful number, since it uses less digits than its factorization.

20606614556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107129 (or 107127 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 20606614556 in words is "twenty billion, six hundred six million, six hundred fourteen thousand, five hundred fifty-six".