20030012033 has 4 divisors (see below), whose sum is σ = 20358372948. Its totient is φ = 19701651120.

The previous prime is 20030011997. The next prime is 20030012053. The reversal of 20030012033 is 33021003002.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8719264129 + 11310747904 = 93377^2 + 106352^2 .

It is a cyclic number.

It is not a de Polignac number, because 20030012033 - 2⁸ = 20030011777 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20030011999 and 20030012017.

It is not an unprimeable number, because it can be changed into a prime (20030012053) 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, 164180366 + ... + 164180487.

It is an arithmetic number, because the mean of its divisors is an integer number (5089593237).

Almost surely, 2^20030012033 is an apocalyptic number.

It is an amenable number.

20030012033 is a deficient number, since it is larger than the sum of its proper divisors (328360915).

20030012033 is an equidigital number, since it uses as much as digits as its factorization.

20030012033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328360914.

The product of its (nonzero) digits is 108, while the sum is 14.

Adding to 20030012033 its reverse (33021003002), we get a palindrome (53051015035).

The spelling of 20030012033 in words is "twenty billion, thirty million, twelve thousand, thirty-three".