55110007222020 has 36 divisors (see below), whose sum is σ = 167167021907340. Its totient is φ = 14696001925824.

The previous prime is 55110007221991. The next prime is 55110007222057. The reversal of 55110007222020 is 2022270001155.

55110007222020 is a `hidden beast` number, since 551 + 1 + 0 + 0 + 0 + 72 + 2 + 20 + 20 = 666.

55110007222020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 32155636312836 + 22954370909184 = 5670594^2 + 4791072^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×55110007222020² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 153083353215 + ... + 153083353574.

It is an arithmetic number, because the mean of its divisors is an integer number (4643528386315).

Almost surely, 2^{55110007222020} is an apocalyptic number.

It is an amenable number.

55110007222020 is an abundant number, since it is smaller than the sum of its proper divisors (112057014685320).

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

55110007222020 is a wasteful number, since it uses less digits than its factorization.

55110007222020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306166706804 (or 306166706799 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

Adding to 55110007222020 its reverse (2022270001155), we get a palindrome (57132277223175).

The spelling of 55110007222020 in words is "fifty-five trillion, one hundred ten billion, seven million, two hundred twenty-two thousand, twenty".