20104260742241 has 16 divisors (see below), whose sum is σ = 22977258517584. Its totient is φ = 17425807478784.

The previous prime is 20104260742211. The next prime is 20104260742283. The reversal of 20104260742241 is 14224706240102.

It can be written as a sum of positive squares in 8 ways, for example, as 128232745216 + 19976027997025 = 358096^2 + 4469455^2 .

It is not a de Polignac number, because 20104260742241 - 2³⁰ = 20103187000417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20104260742211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104949926 + ... + 105141311.

It is an arithmetic number, because the mean of its divisors is an integer number (1436078657349).

Almost surely, 2^{20104260742241} is an apocalyptic number.

It is an amenable number.

20104260742241 is a deficient number, since it is larger than the sum of its proper divisors (2872997775343).

20104260742241 is a wasteful number, since it uses less digits than its factorization.

20104260742241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210091700.

The product of its (nonzero) digits is 43008, while the sum is 35.

Adding to 20104260742241 its reverse (14224706240102), we get a palindrome (34328966982343).

The spelling of 20104260742241 in words is "twenty trillion, one hundred four billion, two hundred sixty million, seven hundred forty-two thousand, two hundred forty-one".