20003332003320 has 512 divisors, whose sum is σ = 64556134272000. Its totient is φ = 4950014361600.

The previous prime is 20003332003313. The next prime is 20003332003351. The reversal of 20003332003320 is 2330023330002.

It is a super-2 number, since 2×20003332003320² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1653025270 + ... + 1653037370.

It is an arithmetic number, because the mean of its divisors is an integer number (126086199750).

Almost surely, 2^{20003332003320} is an apocalyptic number.

20003332003320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20003332003320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32278067136000).

20003332003320 is an abundant number, since it is smaller than the sum of its proper divisors (44552802268680).

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

20003332003320 is a wasteful number, since it uses less digits than its factorization.

20003332003320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12383 (or 12379 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 21.

Adding to 20003332003320 its reverse (2330023330002), we get a palindrome (22333355333322).

The spelling of 20003332003320 in words is "twenty trillion, three billion, three hundred thirty-two million, three thousand, three hundred twenty".