20464110416 has 20 divisors (see below), whose sum is σ = 39652730292. Its totient is φ = 10231147776.

The previous prime is 20464110409. The next prime is 20464110419. The reversal of 20464110416 is 61401146402.

It can be written as a sum of positive squares in 2 ways, for example, as 7009038400 + 13455072016 = 83720^2 + 115996^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20464110419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152786 + ... + 253518.

Almost surely, 2^20464110416 is an apocalyptic number.

It is an amenable number.

20464110416 is a deficient number, since it is larger than the sum of its proper divisors (19188619876).

20464110416 is a wasteful number, since it uses less digits than its factorization.

20464110416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113438 (or 113432 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 20464110416 its reverse (61401146402), we get a palindrome (81865256818).

The spelling of 20464110416 in words is "twenty billion, four hundred sixty-four million, one hundred ten thousand, four hundred sixteen".