20200022200 has 96 divisors (see below), whose sum is σ = 49907028960. Its totient is φ = 7577292800.

The previous prime is 20200022179. The next prime is 20200022201. The reversal of 20200022200 is 222000202.

It is a Harshad number since it is a multiple of its sum of digits (10).

20200022200 is a modest number, since divided by 22200 gives 20200 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20200022201) 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, 944829 + ... + 965971.

It is an arithmetic number, because the mean of its divisors is an integer number (519864885).

Almost surely, 2^20200022200 is an apocalyptic number.

20200022200 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 20200022200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24953514480).

20200022200 is an abundant number, since it is smaller than the sum of its proper divisors (29707006760).

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

20200022200 is a wasteful number, since it uses less digits than its factorization.

20200022200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21457 (or 21448 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 10.

Adding to 20200022200 its reverse (222000202), we get a palindrome (20422022402).

It can be divided in two parts, 2020002 and 2200, that added together give a palindrome (2022202).

The spelling of 20200022200 in words is "twenty billion, two hundred million, twenty-two thousand, two hundred".