20022303332021 has 4 divisors (see below), whose sum is σ = 20026214707200. Its totient is φ = 20018391956844.

The previous prime is 20022303331889. The next prime is 20022303332029. The reversal of 20022303332021 is 12023330322002.

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 20022303332021 - 2²² = 20022299137717 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022303332029) 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 3 ways as a sum of consecutive naturals, for example, 1955679911 + ... + 1955690148.

It is an arithmetic number, because the mean of its divisors is an integer number (5006553676800).

Almost surely, 2^{20022303332021} is an apocalyptic number.

It is an amenable number.

20022303332021 is a deficient number, since it is larger than the sum of its proper divisors (3911375179).

20022303332021 is an equidigital number, since it uses as much as digits as its factorization.

20022303332021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3911375178.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 20022303332021 its reverse (12023330322002), we get a palindrome (32045633654023).

The spelling of 20022303332021 in words is "twenty trillion, twenty-two billion, three hundred three million, three hundred thirty-two thousand, twenty-one".