22120002102020 has 12 divisors (see below), whose sum is σ = 46452004414284. Its totient is φ = 8848000840800.

The previous prime is 22120002102007. The next prime is 22120002102047. The reversal of 22120002102020 is 2020120002122.

It can be written as a sum of positive squares in 2 ways, for example, as 12661769322244 + 9458232779776 = 3558338^2 + 3075424^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22120002101986 and 22120002102004.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 553000052531 + ... + 553000052570.

It is an arithmetic number, because the mean of its divisors is an integer number (3871000367857).

Almost surely, 2^{22120002102020} is an apocalyptic number.

22120002102020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22120002102020 is an abundant number, since it is smaller than the sum of its proper divisors (24332002312264).

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

22120002102020 is a wasteful number, since it uses less digits than its factorization.

22120002102020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106000105110 (or 1106000105108 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 22120002102020 its reverse (2020120002122), we get a palindrome (24140122104142).

The spelling of 22120002102020 in words is "twenty-two trillion, one hundred twenty billion, two million, one hundred two thousand, twenty".