20660830000 has 50 divisors (see below), whose sum is σ = 50021959724. Its totient is φ = 8264328000.

The previous prime is 20660829971. The next prime is 20660830009. The reversal of 20660830000 is 3806602.

It is a tau number, because it is divible by the number of its divisors (50).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (20660830009) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1023042 + ... + 1043041.

Almost surely, 2^20660830000 is an apocalyptic number.

20660830000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20660830000 is an abundant number, since it is smaller than the sum of its proper divisors (29361129724).

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

20660830000 is an equidigital number, since it uses as much as digits as its factorization.

20660830000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2066111 (or 2066090 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The spelling of 20660830000 in words is "twenty billion, six hundred sixty million, eight hundred thirty thousand".