20660602600 has 48 divisors (see below), whose sum is σ = 52402806720. Its totient is φ = 7512945600.

The previous prime is 20660602597. The next prime is 20660602607. The reversal of 20660602600 is 620606602.

It is not an unprimeable number, because it can be changed into a prime (20660602607) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4693392 + ... + 4697791.

It is an arithmetic number, because the mean of its divisors is an integer number (1091725140).

Almost surely, 2^20660602600 is an apocalyptic number.

20660602600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20660602600 is an abundant number, since it is smaller than the sum of its proper divisors (31742204120).

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

20660602600 is a wasteful number, since it uses less digits than its factorization.

20660602600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9391210 (or 9391201 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The spelling of 20660602600 in words is "twenty billion, six hundred sixty million, six hundred two thousand, six hundred".