20680035800 has 48 divisors (see below), whose sum is σ = 48090571560. Its totient is φ = 8270382080.

The previous prime is 20680035773. The next prime is 20680035809. The reversal of 20680035800 is 853008602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20680035809) 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, 1869887 + ... + 1880913.

Almost surely, 2^20680035800 is an apocalyptic number.

20680035800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20680035800 is an abundant number, since it is smaller than the sum of its proper divisors (27410535760).

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

20680035800 is a wasteful number, since it uses less digits than its factorization.

20680035800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20420 (or 20411 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The spelling of 20680035800 in words is "twenty billion, six hundred eighty million, thirty-five thousand, eight hundred".