20332333021 has 16 divisors (see below), whose sum is σ = 27299357568. Its totient is φ = 14624654400.

The previous prime is 20332332959. The next prime is 20332333027. The reversal of 20332333021 is 12033323302.

It is a cyclic number.

It is not a de Polignac number, because 20332333021 - 2¹⁷ = 20332201949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20332332983 and 20332333001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20332333027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10155010 + ... + 10157011.

It is an arithmetic number, because the mean of its divisors is an integer number (1706209848).

Almost surely, 2^20332333021 is an apocalyptic number.

It is an amenable number.

20332333021 is a deficient number, since it is larger than the sum of its proper divisors (6967024547).

20332333021 is a wasteful number, since it uses less digits than its factorization.

20332333021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20312052.

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 20332333021 its reverse (12033323302), we get a palindrome (32365656323).

It can be divided in two parts, 20332 and 333021, that added together give a palindrome (353353).

The spelling of 20332333021 in words is "twenty billion, three hundred thirty-two million, three hundred thirty-three thousand, twenty-one".