20012100200022 has 32 divisors (see below), whose sum is σ = 45745119677952. Its totient is φ = 5717345868864.

The previous prime is 20012100200021. The next prime is 20012100200069. The reversal of 20012100200022 is 22000200121002.

It is a junction number, because it is equal to n+sod(n) for n = 20012100199980 and 20012100200007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20012100200021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15931263 + ... + 17141450.

It is an arithmetic number, because the mean of its divisors is an integer number (1429534989936).

Almost surely, 2^{20012100200022} is an apocalyptic number.

20012100200022 is an abundant number, since it is smaller than the sum of its proper divisors (25733019477930).

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

20012100200022 is a wasteful number, since it uses less digits than its factorization.

20012100200022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33087132.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20012100200022 its reverse (22000200121002), we get a palindrome (42012300321024).

The spelling of 20012100200022 in words is "twenty trillion, twelve billion, one hundred million, two hundred thousand, twenty-two".