20332233211021 has 8 divisors (see below), whose sum is σ = 20346554436984. Its totient is φ = 20317915353600.

The previous prime is 20332233210929. The next prime is 20332233211027. The reversal of 20332233211021 is 12011233223302.

It can be written as a sum of positive squares in 4 ways, for example, as 148652658025 + 20183580552996 = 385555^2 + 4492614^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20332233211021 - 2²¹ = 20332231113869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20332233211027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11295471 + ... + 12971203.

It is an arithmetic number, because the mean of its divisors is an integer number (2543319304623).

Almost surely, 2^{20332233211021} is an apocalyptic number.

It is an amenable number.

20332233211021 is a deficient number, since it is larger than the sum of its proper divisors (14321225963).

20332233211021 is a wasteful number, since it uses less digits than its factorization.

20332233211021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1684271.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 20332233211021 its reverse (12011233223302), we get a palindrome (32343466434323).

The spelling of 20332233211021 in words is "twenty trillion, three hundred thirty-two billion, two hundred thirty-three million, two hundred eleven thousand, twenty-one".