3200120013 has 4 divisors (see below), whose sum is σ = 4266826688. Its totient is φ = 2133413340.

The previous prime is 3200120009. The next prime is 3200120051. The reversal of 3200120013 is 3100210023.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3100210023 = 3 ⋅1033403341.

It is not a de Polignac number, because 3200120013 - 2² = 3200120009 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3200120083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 533353333 + ... + 533353338.

It is an arithmetic number, because the mean of its divisors is an integer number (1066706672).

Almost surely, 2^3200120013 is an apocalyptic number.

It is an amenable number.

3200120013 is a deficient number, since it is larger than the sum of its proper divisors (1066706675).

3200120013 is a wasteful number, since it uses less digits than its factorization.

3200120013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1066706674.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 3200120013 is about 56569.6032600548. The cubic root of 3200120013 is about 1473.6310213789.

Adding to 3200120013 its reverse (3100210023), we get a palindrome (6300330036).

The spelling of 3200120013 in words is "three billion, two hundred million, one hundred twenty thousand, thirteen".