20003221032033 has 16 divisors (see below), whose sum is σ = 26675774815616. Its totient is φ = 13333074232320.

The previous prime is 20003221032029. The next prime is 20003221032061. The reversal of 20003221032033 is 33023012230002.

It is not a de Polignac number, because 20003221032033 - 2² = 20003221032029 is a prime.

It is a super-2 number, since 2×20003221032033² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20003221032023) 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 15 ways as a sum of consecutive naturals, for example, 497189028 + ... + 497229258.

It is an arithmetic number, because the mean of its divisors is an integer number (1667235925976).

Almost surely, 2^{20003221032033} is an apocalyptic number.

It is an amenable number.

20003221032033 is a deficient number, since it is larger than the sum of its proper divisors (6672553783583).

20003221032033 is a wasteful number, since it uses less digits than its factorization.

20003221032033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66024.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 20003221032033 its reverse (33023012230002), we get a palindrome (53026233262035).

The spelling of 20003221032033 in words is "twenty trillion, three billion, two hundred twenty-one million, thirty-two thousand, thirty-three".