20442240100015 has 16 divisors (see below), whose sum is σ = 26712183074400. Its totient is φ = 14958822517632.

The previous prime is 20442240099997. The next prime is 20442240100033. The reversal of 20442240100015 is 51000104224402.

It is an interprime number because it is at equal distance from previous prime (20442240099997) and next prime (20442240100033).

It is a cyclic number.

It is not a de Polignac number, because 20442240100015 - 2³⁵ = 20407880361647 is a prime.

It is a super-2 number, since 2×20442240100015² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3710022672 + ... + 3710028181.

It is an arithmetic number, because the mean of its divisors is an integer number (1669511442150).

Almost surely, 2^{20442240100015} is an apocalyptic number.

20442240100015 is a deficient number, since it is larger than the sum of its proper divisors (6269942974385).

20442240100015 is a wasteful number, since it uses less digits than its factorization.

20442240100015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7420050906.

The product of its (nonzero) digits is 2560, while the sum is 25.

Adding to 20442240100015 its reverse (51000104224402), we get a palindrome (71442344324417).

The spelling of 20442240100015 in words is "twenty trillion, four hundred forty-two billion, two hundred forty million, one hundred thousand, fifteen".