22212032020 has 12 divisors (see below), whose sum is σ = 46645267284. Its totient is φ = 8884812800.

The previous prime is 22212031999. The next prime is 22212032071. The reversal of 22212032020 is 2023021222.

It can be written as a sum of positive squares in 2 ways, for example, as 7738017156 + 14474014864 = 87966^2 + 120308^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22212031985 and 22212032003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555300781 + ... + 555300820.

It is an arithmetic number, because the mean of its divisors is an integer number (3887105607).

Almost surely, 2^22212032020 is an apocalyptic number.

22212032020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22212032020 is an abundant number, since it is smaller than the sum of its proper divisors (24433235264).

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

22212032020 is a wasteful number, since it uses less digits than its factorization.

22212032020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110601610 (or 1110601608 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 22212032020 its reverse (2023021222), we get a palindrome (24235053242).

The spelling of 22212032020 in words is "twenty-two billion, two hundred twelve million, thirty-two thousand, twenty".