20000012033 has 4 divisors (see below), whose sum is σ = 20065158960. Its totient is φ = 19934865108.

The previous prime is 20000012029. The next prime is 20000012051. The reversal of 20000012033 is 33021000002.

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 20000012033 - 2² = 20000012029 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20000012063) 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, 32573003 + ... + 32573616.

It is an arithmetic number, because the mean of its divisors is an integer number (5016289740).

Almost surely, 2^20000012033 is an apocalyptic number.

It is an amenable number.

20000012033 is a deficient number, since it is larger than the sum of its proper divisors (65146927).

20000012033 is an equidigital number, since it uses as much as digits as its factorization.

20000012033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65146926.

The product of its (nonzero) digits is 36, while the sum is 11.

Adding to 20000012033 its reverse (33021000002), we get a palindrome (53021012035).

The spelling of 20000012033 in words is "twenty billion, twelve thousand, thirty-three".