22102201110020 has 24 divisors (see below), whose sum is σ = 49144894233624. Its totient is φ = 8320828653056.

The previous prime is 22102201109999. The next prime is 22102201110229. The reversal of 22102201110020 is 2001110220122.

It can be written as a sum of positive squares in 4 ways, for example, as 841857630784 + 21260343479236 = 917528^2 + 4610894^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22102201109977 and 22102201110004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32503236587 + ... + 32503237266.

It is an arithmetic number, because the mean of its divisors is an integer number (2047703926401).

Almost surely, 2^{22102201110020} is an apocalyptic number.

22102201110020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22102201110020 is an abundant number, since it is smaller than the sum of its proper divisors (27042693123604).

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

22102201110020 is a wasteful number, since it uses less digits than its factorization.

22102201110020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65006473879 (or 65006473877 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22102201110020 its reverse (2001110220122), we get a palindrome (24103311330142).

The spelling of 22102201110020 in words is "twenty-two trillion, one hundred two billion, two hundred one million, one hundred ten thousand, twenty".