20104054161 has 8 divisors (see below), whose sum is σ = 27106590240. Its totient is φ = 13252110432.

The previous prime is 20104054127. The next prime is 20104054189. The reversal of 20104054161 is 16145040102.

It is a happy number.

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

It is not a de Polignac number, because 20104054161 - 2²¹ = 20101957009 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20104054561) 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, 37647775 + ... + 37648308.

It is an arithmetic number, because the mean of its divisors is an integer number (3388323780).

Almost surely, 2^20104054161 is an apocalyptic number.

It is an amenable number.

20104054161 is a deficient number, since it is larger than the sum of its proper divisors (7002536079).

20104054161 is an equidigital number, since it uses as much as digits as its factorization.

20104054161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75296175.

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 20104054161 its reverse (16145040102), we get a palindrome (36249094263).

The spelling of 20104054161 in words is "twenty billion, one hundred four million, fifty-four thousand, one hundred sixty-one".