22102012022020 has 48 divisors (see below), whose sum is σ = 53045444527488. Its totient is φ = 7577744739840.

The previous prime is 22102012021889. The next prime is 22102012022021. The reversal of 22102012022020 is 2022021020122.

It is a junction number, because it is equal to n+sod(n) for n = 22102012021985 and 22102012022003.

It is not an unprimeable number, because it can be changed into a prime (22102012022021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11818879 + ... + 13560601.

It is an arithmetic number, because the mean of its divisors is an integer number (1105113427656).

Almost surely, 2^{22102012022020} is an apocalyptic number.

22102012022020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22102012022020 is an abundant number, since it is smaller than the sum of its proper divisors (30943432505468).

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

22102012022020 is a wasteful number, since it uses less digits than its factorization.

22102012022020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1832380 (or 1832378 counting only the distinct ones).

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

Adding to 22102012022020 its reverse (2022021020122), we get a palindrome (24124033042142).

The spelling of 22102012022020 in words is "twenty-two trillion, one hundred two billion, twelve million, twenty-two thousand, twenty".