20202220200 has 192 divisors, whose sum is σ = 65870069760. Its totient is φ = 5112011520.

The previous prime is 20202220189. The next prime is 20202220211. The reversal of 20202220200 is 202220202.

It is an interprime number because it is at equal distance from previous prime (20202220189) and next prime (20202220211).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1746837 + ... + 1758363.

It is an arithmetic number, because the mean of its divisors is an integer number (343073280).

Almost surely, 2^20202220200 is an apocalyptic number.

20202220200 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 20202220200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32935034880).

20202220200 is an abundant number, since it is smaller than the sum of its proper divisors (45667849560).

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

20202220200 is a wasteful number, since it uses less digits than its factorization.

20202220200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11696 (or 11687 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

Adding to 20202220200 its reverse (202220202), we get a palindrome (20404440402).

It can be divided in two parts, 202022 and 20200, that added together give a palindrome (222222).

The spelling of 20202220200 in words is "twenty billion, two hundred two million, two hundred twenty thousand, two hundred".