20122122200 has 48 divisors (see below), whose sum is σ = 47097990000. Its totient is φ = 7994817920.

The previous prime is 20122122193. The next prime is 20122122211. The reversal of 20122122200 is 222122102.

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, 307820 + ... + 367419.

It is an arithmetic number, because the mean of its divisors is an integer number (981208125).

Almost surely, 2^20122122200 is an apocalyptic number.

20122122200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20122122200 is an abundant number, since it is smaller than the sum of its proper divisors (26975867800).

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

20122122200 is a wasteful number, since it uses less digits than its factorization.

20122122200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675404 (or 675395 counting only the distinct ones).

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

Adding to 20122122200 its reverse (222122102), we get a palindrome (20344244302).

It can be divided in two parts, 2012 and 2122200, that added together give a palindrome (2124212).

The spelling of 20122122200 in words is "twenty billion, one hundred twenty-two million, one hundred twenty-two thousand, two hundred".