15313140020 has 48 divisors (see below), whose sum is σ = 32957962128. Its totient is φ = 5972951040.

The previous prime is 15313140001. The next prime is 15313140047. The reversal of 15313140020 is 2004131351.

It can be written as a sum of positive squares in 8 ways, for example, as 1561356196 + 13751783824 = 39514^2 + 117268^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 15313139974 and 15313140001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2569364 + ... + 2575316.

It is an arithmetic number, because the mean of its divisors is an integer number (686624211).

Almost surely, 2^15313140020 is an apocalyptic number.

15313140020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15313140020 is an abundant number, since it is smaller than the sum of its proper divisors (17644822108).

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

15313140020 is a wasteful number, since it uses less digits than its factorization.

15313140020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9140 (or 9138 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 15313140020 its reverse (2004131351), we get a palindrome (17317271371).

The spelling of 15313140020 in words is "fifteen billion, three hundred thirteen million, one hundred forty thousand, twenty".