20112660225055 has 8 divisors (see below), whose sum is σ = 24135216408000. Its totient is φ = 16090112088096.

The previous prime is 20112660225037. The next prime is 20112660225059. The reversal of 20112660225055 is 55052206621102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20112660225055 - 2⁹ = 20112660224543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20112660225059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8207226 + ... + 10372264.

It is an arithmetic number, because the mean of its divisors is an integer number (3016902051000).

Almost surely, 2^{20112660225055} is an apocalyptic number.

20112660225055 is a deficient number, since it is larger than the sum of its proper divisors (4022556182945).

20112660225055 is a wasteful number, since it uses less digits than its factorization.

20112660225055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4022993.

The product of its (nonzero) digits is 72000, while the sum is 37.

Adding to 20112660225055 its reverse (55052206621102), we get a palindrome (75164866846157).

The spelling of 20112660225055 in words is "twenty trillion, one hundred twelve billion, six hundred sixty million, two hundred twenty-five thousand, fifty-five".