2013320025 has 72 divisors (see below), whose sum is σ = 3665417184. Its totient is φ = 1056268800.

The previous prime is 2013319999. The next prime is 2013320027. The reversal of 2013320025 is 5200233102.

It is not a de Polignac number, because 2013320025 - 2⁷ = 2013319897 is a prime.

It is a nialpdrome in base 15.

It is a zygodrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (2013320027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 5801902 + ... + 5802248.

It is an arithmetic number, because the mean of its divisors is an integer number (50908572).

Almost surely, 2^2013320025 is an apocalyptic number.

2013320025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2013320025 is a deficient number, since it is larger than the sum of its proper divisors (1652097159).

2013320025 is a wasteful number, since it uses less digits than its factorization.

2013320025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711 (or 703 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 2013320025 is about 44870.0348228080. The cubic root of 2013320025 is about 1262.7118933305.

Adding to 2013320025 its reverse (5200233102), we get a palindrome (7213553127).

The spelling of 2013320025 in words is "two billion, thirteen million, three hundred twenty thousand, twenty-five".