20130012033 has 4 divisors (see below), whose sum is σ = 26840016048. Its totient is φ = 13420008020.

The previous prime is 20130011917. The next prime is 20130012053. The reversal of 20130012033 is 33021003102.

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.

It is a cyclic number.

It is not a de Polignac number, because 20130012033 - 2⁹ = 20130011521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20130012053) 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, 3355002003 + ... + 3355002008.

It is an arithmetic number, because the mean of its divisors is an integer number (6710004012).

Almost surely, 2^20130012033 is an apocalyptic number.

It is an amenable number.

20130012033 is a deficient number, since it is larger than the sum of its proper divisors (6710004015).

20130012033 is an equidigital number, since it uses as much as digits as its factorization.

20130012033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6710004014.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 20130012033 its reverse (33021003102), we get a palindrome (53151015135).

The spelling of 20130012033 in words is "twenty billion, one hundred thirty million, twelve thousand, thirty-three".