20112022210 has 64 divisors (see below), whose sum is σ = 45220239360. Its totient is φ = 6280565760.

The previous prime is 20112022163. The next prime is 20112022223. The reversal of 20112022210 is 1222021102.

It is a happy 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, 235705 + ... + 309484.

It is an arithmetic number, because the mean of its divisors is an integer number (706566240).

Almost surely, 2^20112022210 is an apocalyptic number.

20112022210 is an abundant number, since it is smaller than the sum of its proper divisors (25108217150).

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

20112022210 is a wasteful number, since it uses less digits than its factorization.

20112022210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545251.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20112022210 its reverse (1222021102), we get a palindrome (21334043312).

The spelling of 20112022210 in words is "twenty billion, one hundred twelve million, twenty-two thousand, two hundred ten".