20031000033 has 16 divisors (see below), whose sum is σ = 29424480192. Its totient is φ = 12019800000.

The previous prime is 20031000029. The next prime is 20031000043. The reversal of 20031000033 is 33000013002.

It is a happy number.

It is not a de Polignac number, because 20031000033 - 2² = 20031000029 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20030999982 and 20031000018.

It is not an unprimeable number, because it can be changed into a prime (20031000013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3001618 + ... + 3008283.

It is an arithmetic number, because the mean of its divisors is an integer number (1839030012).

Almost surely, 2^20031000033 is an apocalyptic number.

It is an amenable number.

20031000033 is a deficient number, since it is larger than the sum of its proper divisors (9393480159).

20031000033 is a wasteful number, since it uses less digits than its factorization.

20031000033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6010016.

The product of its (nonzero) digits is 54, while the sum is 12.

Adding to 20031000033 its reverse (33000013002), we get a palindrome (53031013035).

The spelling of 20031000033 in words is "twenty billion, thirty-one million, thirty-three", and thus it is an aban number and an uban number.