20000222121022 has 64 divisors (see below), whose sum is σ = 35271343312128. Its totient is φ = 8385467328000.

The previous prime is 20000222120969. The next prime is 20000222121071. The reversal of 20000222121022 is 22012122200002.

It is a junction number, because it is equal to n+sod(n) for n = 20000222120987 and 20000222121005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3622569622 + ... + 3622575142.

It is an arithmetic number, because the mean of its divisors is an integer number (551114739252).

Almost surely, 2^{20000222121022} is an apocalyptic number.

20000222121022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20000222121022 is a deficient number, since it is larger than the sum of its proper divisors (15271121191106).

20000222121022 is a wasteful number, since it uses less digits than its factorization.

20000222121022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12665.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20000222121022 its reverse (22012122200002), we get a palindrome (42012344321024).

The spelling of 20000222121022 in words is "twenty trillion, two hundred twenty-two million, one hundred twenty-one thousand, twenty-two".