20012202022200 has 192 divisors, whose sum is σ = 65387952626400. Its totient is φ = 5055348480000.

The previous prime is 20012202022177. The next prime is 20012202022201. The reversal of 20012202022200 is 222020221002.

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 20012202022200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20012202022201) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9928051 + ... + 11772450.

Almost surely, 2^{20012202022200} is an apocalyptic number.

20012202022200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20012202022200 is an abundant number, since it is smaller than the sum of its proper divisors (45375750604200).

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

20012202022200 is a wasteful number, since it uses less digits than its factorization.

20012202022200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21700602 (or 21700593 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 20012202022200 its reverse (222020221002), we get a palindrome (20234222243202).

The spelling of 20012202022200 in words is "twenty trillion, twelve billion, two hundred two million, twenty-two thousand, two hundred".