20012222010222 has 80 divisors (see below), whose sum is σ = 48294667602720. Its totient is φ = 6157215787968.

The previous prime is 20012222010191. The next prime is 20012222010251. The reversal of 20012222010222 is 22201022221002.

20012222010222 is a `hidden beast` number, since 20 + 0 + 1 + 222 + 201 + 0 + 222 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 20012222010195 and 20012222010204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 33787804 + ... + 34374992.

It is an arithmetic number, because the mean of its divisors is an integer number (603683345034).

Almost surely, 2^{20012222010222} is an apocalyptic number.

20012222010222 is an abundant number, since it is smaller than the sum of its proper divisors (28282445592498).

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

20012222010222 is a wasteful number, since it uses less digits than its factorization.

20012222010222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603399 (or 603390 counting only the distinct ones).

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

Adding to 20012222010222 its reverse (22201022221002), we get a palindrome (42213244231224).

The spelling of 20012222010222 in words is "twenty trillion, twelve billion, two hundred twenty-two million, ten thousand, two hundred twenty-two".