20860560100 has 36 divisors (see below), whose sum is σ = 45274695984. Its totient is φ = 8342882080.

The previous prime is 20860560031. The next prime is 20860560101. The reversal of 20860560100 is 106506802.

It is not an unprimeable number, because it can be changed into a prime (20860560101) 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, 811647 + ... + 836953.

It is an arithmetic number, because the mean of its divisors is an integer number (1257630444).

Almost surely, 2^20860560100 is an apocalyptic number.

20860560100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20860560100 is an abundant number, since it is smaller than the sum of its proper divisors (24414135884).

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

20860560100 is a wasteful number, since it uses less digits than its factorization.

20860560100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33564 (or 33557 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The spelling of 20860560100 in words is "twenty billion, eight hundred sixty million, five hundred sixty thousand, one hundred".