20130232039 has 4 divisors (see below), whose sum is σ = 20159364760. Its totient is φ = 20101099320.

The previous prime is 20130232037. The next prime is 20130232051. The reversal of 20130232039 is 93023203102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20130232039 - 2¹ = 20130232037 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 (20130232037) 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, 14565324 + ... + 14566705.

It is an arithmetic number, because the mean of its divisors is an integer number (5039841190).

Almost surely, 2^20130232039 is an apocalyptic number.

20130232039 is a deficient number, since it is larger than the sum of its proper divisors (29132721).

20130232039 is an equidigital number, since it uses as much as digits as its factorization.

20130232039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29132720.

The product of its (nonzero) digits is 1944, while the sum is 25.

The spelling of 20130232039 in words is "twenty billion, one hundred thirty million, two hundred thirty-two thousand, thirty-nine".