20012033033 has 2 divisors, whose sum is σ = 20012033034. Its totient is φ = 20012033032.

The previous prime is 20012033029. The next prime is 20012033051. The reversal of 20012033033 is 33033021002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12259582729 + 7752450304 = 110723^2 + 88048^2 .

It is a cyclic number.

It is not a de Polignac number, because 20012033033 - 2² = 20012033029 is a prime.

It is a super-2 number, since 2×20012033033² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20012033333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10006016516 + 10006016517.

It is an arithmetic number, because the mean of its divisors is an integer number (10006016517).

Almost surely, 2^20012033033 is an apocalyptic number.

It is an amenable number.

20012033033 is a deficient number, since it is larger than the sum of its proper divisors (1).

20012033033 is an equidigital number, since it uses as much as digits as its factorization.

20012033033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 17.

Adding to 20012033033 its reverse (33033021002), we get a palindrome (53045054035).

The spelling of 20012033033 in words is "twenty billion, twelve million, thirty-three thousand, thirty-three".