20033033321 has 16 divisors (see below), whose sum is σ = 23527622784. Its totient is φ = 16697176704.

The previous prime is 20033033303. The next prime is 20033033323. The reversal of 20033033321 is 12333033002.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20033033321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20033033293 and 20033033302.

It is not an unprimeable number, because it can be changed into a prime (20033033323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 431966 + ... + 476088.

It is an arithmetic number, because the mean of its divisors is an integer number (1470476424).

Almost surely, 2^20033033321 is an apocalyptic number.

It is an amenable number.

20033033321 is a deficient number, since it is larger than the sum of its proper divisors (3494589463).

20033033321 is a wasteful number, since it uses less digits than its factorization.

20033033321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45920.

The product of its (nonzero) digits is 972, while the sum is 20.

Adding to 20033033321 its reverse (12333033002), we get a palindrome (32366066323).

The spelling of 20033033321 in words is "twenty billion, thirty-three million, thirty-three thousand, three hundred twenty-one".