22020211212210 has 40 divisors (see below), whose sum is σ = 59209901261676. Its totient is φ = 5872056323040.

The previous prime is 22020211212149. The next prime is 22020211212221. The reversal of 22020211212210 is 1221211202022.

It is a happy number.

22020211212210 is a `hidden beast` number, since 220 + 2 + 0 + 21 + 1 + 212 + 210 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 20509295780961 + 1510915431249 = 4528719^2 + 1229193^2 .

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 19 ways as a sum of consecutive naturals, for example, 13592722161 + ... + 13592723780.

Almost surely, 2^{22020211212210} is an apocalyptic number.

22020211212210 is an abundant number, since it is smaller than the sum of its proper divisors (37189690049466).

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

22020211212210 is a wasteful number, since it uses less digits than its factorization.

22020211212210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27185445960 (or 27185445951 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22020211212210 its reverse (1221211202022), we get a palindrome (23241422414232).

The spelling of 22020211212210 in words is "twenty-two trillion, twenty billion, two hundred eleven million, two hundred twelve thousand, two hundred ten".