20461160104 has 128 divisors (see below), whose sum is σ = 49849344000. Its totient is φ = 7801725120.

The previous prime is 20461160089. The next prime is 20461160141. The reversal of 20461160104 is 40106116402.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1411437 + ... + 1425859.

It is an arithmetic number, because the mean of its divisors is an integer number (389448000).

Almost surely, 2^20461160104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20461160104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24924672000).

20461160104 is an abundant number, since it is smaller than the sum of its proper divisors (29388183896).

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

20461160104 is a wasteful number, since it uses less digits than its factorization.

20461160104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14508 (or 14490 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 20461160104 its reverse (40106116402), we get a palindrome (60567276506).

The spelling of 20461160104 in words is "twenty billion, four hundred sixty-one million, one hundred sixty thousand, one hundred four".