20130415460 has 48 divisors (see below), whose sum is σ = 42540104880. Its totient is φ = 8001615360.

The previous prime is 20130415451. The next prime is 20130415517. The reversal of 20130415460 is 6451403102.

It can be written as a sum of positive squares in 8 ways, for example, as 4491412324 + 15639003136 = 67018^2 + 125056^2 .

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, 2150390 + ... + 2159730.

It is an arithmetic number, because the mean of its divisors is an integer number (886252185).

Almost surely, 2^20130415460 is an apocalyptic number.

20130415460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20130415460 is an abundant number, since it is smaller than the sum of its proper divisors (22409689420).

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

20130415460 is a wasteful number, since it uses less digits than its factorization.

20130415460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10016 (or 10014 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 20130415460 its reverse (6451403102), we get a palindrome (26581818562).

The spelling of 20130415460 in words is "twenty billion, one hundred thirty million, four hundred fifteen thousand, four hundred sixty".