20122011022200 has 96 divisors (see below), whose sum is σ = 63021308930160. Its totient is φ = 5310551347200.

The previous prime is 20122011022193. The next prime is 20122011022207. The reversal of 20122011022200 is 222011022102.

It is an interprime number because it is at equal distance from previous prime (20122011022193) and next prime (20122011022207).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20122011022200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122011022207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 172811311 + ... + 172927710.

Almost surely, 2^{20122011022200} is an apocalyptic number.

20122011022200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20122011022200 is an abundant number, since it is smaller than the sum of its proper divisors (42899297907960).

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

20122011022200 is a wasteful number, since it uses less digits than its factorization.

20122011022200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345739137 (or 345739128 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20122011022200 its reverse (222011022102), we get a palindrome (20344022044302).

The spelling of 20122011022200 in words is "twenty trillion, one hundred twenty-two billion, eleven million, twenty-two thousand, two hundred".