20332211321021 has 4 divisors (see below), whose sum is σ = 20456948813952. Its totient is φ = 20207473828092.

The previous prime is 20332211321017. The next prime is 20332211321141. The reversal of 20332211321021 is 12012311223302.

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 20332211321021 - 2² = 20332211321017 is a prime.

It is a super-3 number, since 3×20332211321021³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20332211321011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62368746221 + ... + 62368746546.

It is an arithmetic number, because the mean of its divisors is an integer number (5114237203488).

Almost surely, 2^{20332211321021} is an apocalyptic number.

It is an amenable number.

20332211321021 is a deficient number, since it is larger than the sum of its proper divisors (124737492931).

20332211321021 is a wasteful number, since it uses less digits than its factorization.

20332211321021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124737492930.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 20332211321021 its reverse (12012311223302), we get a palindrome (32344522544323).

The spelling of 20332211321021 in words is "twenty trillion, three hundred thirty-two billion, two hundred eleven million, three hundred twenty-one thousand, twenty-one".