20682303660 has 72 divisors (see below), whose sum is σ = 64431918096. Its totient is φ = 5366217600.

The previous prime is 20682303659. The next prime is 20682303679. The reversal of 20682303660 is 6630328602.

20682303660 is a `hidden beast` number, since 2 + 0 + 68 + 230 + 366 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1546066 + ... + 1559385.

Almost surely, 2^20682303660 is an apocalyptic number.

20682303660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20682303660 is an abundant number, since it is smaller than the sum of its proper divisors (43749614436).

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

20682303660 is a wasteful number, since it uses less digits than its factorization.

20682303660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3105503 (or 3105498 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The spelling of 20682303660 in words is "twenty billion, six hundred eighty-two million, three hundred three thousand, six hundred sixty".