2013020015240 has 64 divisors (see below), whose sum is σ = 4925996555760. Its totient is φ = 735909811200.

The previous prime is 2013020015233. The next prime is 2013020015269. The reversal of 2013020015240 is 425100203102.

It can be written as a sum of positive squares in 8 ways, for example, as 1158537933316 + 854482081924 = 1076354^2 + 924382^2 .

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

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, 19111799 + ... + 19216838.

Almost surely, 2^{2013020015240} is an apocalyptic number.

2013020015240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2013020015240 is an abundant number, since it is smaller than the sum of its proper divisors (2912976540520).

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

2013020015240 is a wasteful number, since it uses less digits than its factorization.

2013020015240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38328762 (or 38328758 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 2013020015240 its reverse (425100203102), we get a palindrome (2438120218342).

The spelling of 2013020015240 in words is "two trillion, thirteen billion, twenty million, fifteen thousand, two hundred forty".