22320520445055 has 32 divisors (see below), whose sum is σ = 42222068236800. Its totient is φ = 9851815919232.

The previous prime is 22320520445053. The next prime is 22320520445071. The reversal of 22320520445055 is 55054402502322.

It is not a de Polignac number, because 22320520445055 - 2¹ = 22320520445053 is a prime.

It is a super-3 number, since 3×22320520445055³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22320520445053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3665107045 + ... + 3665113134.

It is an arithmetic number, because the mean of its divisors is an integer number (1319439632400).

Almost surely, 2^{22320520445055} is an apocalyptic number.

22320520445055 is a deficient number, since it is larger than the sum of its proper divisors (19901547791745).

22320520445055 is a wasteful number, since it uses less digits than its factorization.

22320520445055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7330220223.

The product of its (nonzero) digits is 480000, while the sum is 39.

Adding to 22320520445055 its reverse (55054402502322), we get a palindrome (77374922947377).

The spelling of 22320520445055 in words is "twenty-two trillion, three hundred twenty billion, five hundred twenty million, four hundred forty-five thousand, fifty-five".