20012003021333 has 4 divisors (see below), whose sum is σ = 20351189513280. Its totient is φ = 19672816529388.

The previous prime is 20012003021327. The next prime is 20012003021377. The reversal of 20012003021333 is 33312030021002.

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 20012003021333 - 2³⁸ = 19737125114389 is a prime.

It is a super-2 number, since 2×20012003021333² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20012003021393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169593245885 + ... + 169593246002.

It is an arithmetic number, because the mean of its divisors is an integer number (5087797378320).

Almost surely, 2^{20012003021333} is an apocalyptic number.

It is an amenable number.

20012003021333 is a deficient number, since it is larger than the sum of its proper divisors (339186491947).

20012003021333 is an equidigital number, since it uses as much as digits as its factorization.

20012003021333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339186491946.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 20012003021333 its reverse (33312030021002), we get a palindrome (53324033042335).

The spelling of 20012003021333 in words is "twenty trillion, twelve billion, three million, twenty-one thousand, three hundred thirty-three".