20201022222 has 32 divisors (see below), whose sum is σ = 42229209600. Its totient is φ = 6430126560.

The previous prime is 20201022203. The next prime is 20201022271. The reversal of 20201022222 is 22222010202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39529 + ... + 204852.

It is an arithmetic number, because the mean of its divisors is an integer number (1319662800).

Almost surely, 2^20201022222 is an apocalyptic number.

20201022222 is an abundant number, since it is smaller than the sum of its proper divisors (22028187378).

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

20201022222 is a wasteful number, since it uses less digits than its factorization.

20201022222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245008.

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

Adding to 20201022222 its reverse (22222010202), we get a palindrome (42423032424).

The spelling of 20201022222 in words is "twenty billion, two hundred one million, twenty-two thousand, two hundred twenty-two".