22120220202020 has 24 divisors (see below), whose sum is σ = 46452681844800. Its totient is φ = 8848046286432.

The previous prime is 22120220202019. The next prime is 22120220202053. The reversal of 22120220202020 is 2020202202122.

It is a super-2 number, since 2×22120220202020² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22120220202020.

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 7 ways as a sum of consecutive naturals, for example, 1919561 + ... + 6922799.

It is an arithmetic number, because the mean of its divisors is an integer number (1935528410200).

Almost surely, 2^{22120220202020} is an apocalyptic number.

22120220202020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22120220202020 is an abundant number, since it is smaller than the sum of its proper divisors (24332461642780).

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

22120220202020 is a wasteful number, since it uses less digits than its factorization.

22120220202020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5224307 (or 5224305 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 22120220202020 its reverse (2020202202122), we get a palindrome (24140422404142).

The spelling of 22120220202020 in words is "twenty-two trillion, one hundred twenty billion, two hundred twenty million, two hundred two thousand, twenty".