20330202021332 has 72 divisors (see below), whose sum is σ = 41738282056800. Its totient is φ = 8639088548160.

The previous prime is 20330202021331. The next prime is 20330202021341. The reversal of 20330202021332 is 23312020203302.

It is a super-2 number, since 2×20330202021332² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20330202021298 and 20330202021307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20330202021331) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15823607 + ... + 17060097.

It is an arithmetic number, because the mean of its divisors is an integer number (579698361900).

Almost surely, 2^{20330202021332} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20330202021332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20869141028400).

20330202021332 is an abundant number, since it is smaller than the sum of its proper divisors (21408080035468).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20330202021332 is a wasteful number, since it uses less digits than its factorization.

20330202021332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1237221 (or 1237212 counting only the distinct ones).

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

Adding to 20330202021332 its reverse (23312020203302), we get a palindrome (43642222224634).

The spelling of 20330202021332 in words is "twenty trillion, three hundred thirty billion, two hundred two million, twenty-one thousand, three hundred thirty-two".