20031033221033 has 16 divisors (see below), whose sum is σ = 21179297301120. Its totient is φ = 18906438570624.

The previous prime is 20031033221027. The next prime is 20031033221077. The reversal of 20031033221033 is 33012233013002.

It is not a de Polignac number, because 20031033221033 - 2¹⁸ = 20031032958889 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (20031033271033) 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, 4746116 + ... + 7911237.

It is an arithmetic number, because the mean of its divisors is an integer number (1323706081320).

Almost surely, 2^{20031033221033} is an apocalyptic number.

20031033221033 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

20031033221033 is a deficient number, since it is larger than the sum of its proper divisors (1148264080087).

20031033221033 is a wasteful number, since it uses less digits than its factorization.

20031033221033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12658288.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 20031033221033 its reverse (33012233013002), we get a palindrome (53043266234035).

The spelling of 20031033221033 in words is "twenty trillion, thirty-one billion, thirty-three million, two hundred twenty-one thousand, thirty-three".