2013363520 has 56 divisors (see below), whose sum is σ = 5479231104. Its totient is φ = 690295296.

The previous prime is 2013363511. The next prime is 2013363571. The reversal of 2013363520 is 253633102.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 447172 + ... + 451651.

Almost surely, 2^2013363520 is an apocalyptic number.

2013363520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2013363520 is an abundant number, since it is smaller than the sum of its proper divisors (3465867584).

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

2013363520 is an equidigital number, since it uses as much as digits as its factorization.

2013363520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898847 (or 898837 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 2013363520 is about 44870.5194977727. The cubic root of 2013363520 is about 1262.7209863141.

Adding to 2013363520 its reverse (253633102), we get a palindrome (2266996622).

The spelling of 2013363520 in words is "two billion, thirteen million, three hundred sixty-three thousand, five hundred twenty".