20102220201022 has 48 divisors (see below), whose sum is σ = 31310770205520. Its totient is φ = 9679077642240.

The previous prime is 20102220200971. The next prime is 20102220201023. The reversal of 20102220201022 is 22010202220102.

It is a junction number, because it is equal to n+sod(n) for n = 20102220200987 and 20102220201005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102220201023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 492451729 + ... + 492492547.

It is an arithmetic number, because the mean of its divisors is an integer number (652307712615).

Almost surely, 2^{20102220201022} is an apocalyptic number.

20102220201022 is a deficient number, since it is larger than the sum of its proper divisors (11208550004498).

20102220201022 is a wasteful number, since it uses less digits than its factorization.

20102220201022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42137 (or 42106 counting only the distinct ones).

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

Adding to 20102220201022 its reverse (22010202220102), we get a palindrome (42112422421124).

The spelling of 20102220201022 in words is "twenty trillion, one hundred two billion, two hundred twenty million, two hundred one thousand, twenty-two".