20606446662 has 32 divisors (see below), whose sum is σ = 41388527232. Its totient is φ = 6839597184.

The previous prime is 20606446577. The next prime is 20606446669. The reversal of 20606446662 is 26664460602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20606446669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1666033 + ... + 1678355.

It is an arithmetic number, because the mean of its divisors is an integer number (1293391476).

Almost surely, 2^20606446662 is an apocalyptic number.

20606446662 is an abundant number, since it is smaller than the sum of its proper divisors (20782080570).

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

20606446662 is a wasteful number, since it uses less digits than its factorization.

20606446662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13492.

The product of its (nonzero) digits is 497664, while the sum is 42.

The spelling of 20606446662 in words is "twenty billion, six hundred six million, four hundred forty-six thousand, six hundred sixty-two".