20660628062 has 4 divisors (see below), whose sum is σ = 30990942096. Its totient is φ = 10330314030.

The previous prime is 20660628041. The next prime is 20660628091. The reversal of 20660628062 is 26082606602.

20660628062 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

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 as a sum of consecutive naturals, namely, 5165157014 + ... + 5165157017.

It is an arithmetic number, because the mean of its divisors is an integer number (7747735524).

Almost surely, 2^20660628062 is an apocalyptic number.

20660628062 is a deficient number, since it is larger than the sum of its proper divisors (10330314034).

20660628062 is a wasteful number, since it uses less digits than its factorization.

20660628062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10330314033.

The product of its (nonzero) digits is 82944, while the sum is 38.

The spelling of 20660628062 in words is "twenty billion, six hundred sixty million, six hundred twenty-eight thousand, sixty-two".