20022200002221 has 8 divisors (see below), whose sum is σ = 26900054965344. Its totient is φ = 13246239186960.

The previous prime is 20022200002187. The next prime is 20022200002331. The reversal of 20022200002221 is 12220000222002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20022200002221 - 2⁶ = 20022200002157 is a prime.

It is a super-2 number, since 2×20022200002221² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20022200002221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022200002621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25473536506 + ... + 25473537291.

It is an arithmetic number, because the mean of its divisors is an integer number (3362506870668).

Almost surely, 2^{20022200002221} is an apocalyptic number.

It is an amenable number.

20022200002221 is a deficient number, since it is larger than the sum of its proper divisors (6877854963123).

20022200002221 is a wasteful number, since it uses less digits than its factorization.

20022200002221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50947073931.

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

Adding to 20022200002221 its reverse (12220000222002), we get a palindrome (32242200224223).

The spelling of 20022200002221 in words is "twenty trillion, twenty-two billion, two hundred million, two thousand, two hundred twenty-one".