20212122200 has 24 divisors (see below), whose sum is σ = 46993184580. Its totient is φ = 8084848800.

The previous prime is 20212122193. The next prime is 20212122209. The reversal of 20212122200 is 222121202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20212122209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50530106 + ... + 50530505.

Almost surely, 2^20212122200 is an apocalyptic number.

20212122200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20212122200 is an abundant number, since it is smaller than the sum of its proper divisors (26781062380).

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

20212122200 is a wasteful number, since it uses less digits than its factorization.

20212122200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101060627 (or 101060618 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20212122200 its reverse (222121202), we get a palindrome (20434243402).

The spelling of 20212122200 in words is "twenty billion, two hundred twelve million, one hundred twenty-two thousand, two hundred".