200020222100 has 36 divisors (see below), whose sum is σ = 436441953948. Its totient is φ = 79566048000.

The previous prime is 200020222069. The next prime is 200020222111. The reversal of 200020222100 is 1222020002.

It can be written as a sum of positive squares in 6 ways, for example, as 82849562896 + 117170659204 = 287836^2 + 342302^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5507321 + ... + 5543520.

Almost surely, 2^200020222100 is an apocalyptic number.

200020222100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200020222100 is an abundant number, since it is smaller than the sum of its proper divisors (236421731848).

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

200020222100 is a wasteful number, since it uses less digits than its factorization.

200020222100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11051036 (or 11051029 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 200020222100 its reverse (1222020002), we get a palindrome (201242242102).

The spelling of 200020222100 in words is "two hundred billion, twenty million, two hundred twenty-two thousand, one hundred".