20122113200 has 60 divisors (see below), whose sum is σ = 55249581360. Its totient is φ = 6899009280.

The previous prime is 20122113199. The next prime is 20122113227. The reversal of 20122113200 is 231122102.

It is a happy number.

It is a super-2 number, since 2×20122113200² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 3590435 + ... + 3596034.

It is an arithmetic number, because the mean of its divisors is an integer number (920826356).

Almost surely, 2^20122113200 is an apocalyptic number.

20122113200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20122113200 is an abundant number, since it is smaller than the sum of its proper divisors (35127468160).

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

20122113200 is a wasteful number, since it uses less digits than its factorization.

20122113200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7186494 (or 7186483 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20122113200 its reverse (231122102), we get a palindrome (20353235302).

The spelling of 20122113200 in words is "twenty billion, one hundred twenty-two million, one hundred thirteen thousand, two hundred".