20222122220100 has 108 divisors (see below), whose sum is σ = 63387465536304. Its totient is φ = 5392366261440.

The previous prime is 20222122220087. The next prime is 20222122220117. The reversal of 20222122220100 is 102222122202.

20222122220100 is a `hidden beast` number, since 2 + 0 + 222 + 122 + 220 + 100 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 24750307 + ... + 25554293.

It is an arithmetic number, because the mean of its divisors is an integer number (586920977188).

Almost surely, 2^{20222122220100} is an apocalyptic number.

20222122220100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20222122220100 is an abundant number, since it is smaller than the sum of its proper divisors (43165343316204).

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

20222122220100 is a wasteful number, since it uses less digits than its factorization.

20222122220100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831954 (or 831944 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 20222122220100 its reverse (102222122202), we get a palindrome (20324344342302).

The spelling of 20222122220100 in words is "twenty trillion, two hundred twenty-two billion, one hundred twenty-two million, two hundred twenty thousand, one hundred".