20212202200 has 48 divisors (see below), whose sum is σ = 49036571280. Its totient is φ = 7733362560.

The previous prime is 20212202189. The next prime is 20212202201. The reversal of 20212202200 is 220221202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20212202201) 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, 2192379 + ... + 2201578.

It is an arithmetic number, because the mean of its divisors is an integer number (1021595235).

Almost surely, 2^20212202200 is an apocalyptic number.

20212202200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20212202200 is an abundant number, since it is smaller than the sum of its proper divisors (28824369080).

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

20212202200 is a wasteful number, since it uses less digits than its factorization.

20212202200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4393996 (or 4393987 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 20212202200 its reverse (220221202), we get a palindrome (20432423402).

The spelling of 20212202200 in words is "twenty billion, two hundred twelve million, two hundred two thousand, two hundred".