20860884200 has 96 divisors (see below), whose sum is σ = 53344085760. Its totient is φ = 7538553600.

The previous prime is 20860884169. The next prime is 20860884203. The reversal of 20860884200 is 248806802.

It is not an unprimeable number, because it can be changed into a prime (20860884203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36845 + ... + 207555.

It is an arithmetic number, because the mean of its divisors is an integer number (555667560).

Almost surely, 2^20860884200 is an apocalyptic number.

20860884200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20860884200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26672042880).

20860884200 is an abundant number, since it is smaller than the sum of its proper divisors (32483201560).

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

20860884200 is a wasteful number, since it uses less digits than its factorization.

20860884200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170787 (or 170778 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 38.

The spelling of 20860884200 in words is "twenty billion, eight hundred sixty million, eight hundred eighty-four thousand, two hundred".