22212132020 has 96 divisors (see below), whose sum is σ = 53346746880. Its totient is φ = 7700797440.

The previous prime is 22212132011. The next prime is 22212132083. The reversal of 22212132020 is 2023121222.

It is a self number, because there is not a number n which added to its sum of digits gives 22212132020.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 538325 + ... + 578115.

It is an arithmetic number, because the mean of its divisors is an integer number (555695280).

Almost surely, 2^22212132020 is an apocalyptic number.

22212132020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22212132020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26673373440).

22212132020 is an abundant number, since it is smaller than the sum of its proper divisors (31134614860).

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

22212132020 is a wasteful number, since it uses less digits than its factorization.

22212132020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39945 (or 39943 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 22212132020 its reverse (2023121222), we get a palindrome (24235253242).

The spelling of 22212132020 in words is "twenty-two billion, two hundred twelve million, one hundred thirty-two thousand, twenty".