20321330110388 has 24 divisors (see below), whose sum is σ = 37108674408960. Its totient is φ = 9718855483040.

The previous prime is 20321330110387. The next prime is 20321330110397. The reversal of 20321330110388 is 88301103312302.

It is a super-3 number, since 3×20321330110388³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20321330110387) 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, 39257693 + ... + 39771963.

It is an arithmetic number, because the mean of its divisors is an integer number (1546194767040).

Almost surely, 2^{20321330110388} is an apocalyptic number.

It is an amenable number.

20321330110388 is a deficient number, since it is larger than the sum of its proper divisors (16787344298572).

20321330110388 is a wasteful number, since it uses less digits than its factorization.

20321330110388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 943807 (or 943805 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The spelling of 20321330110388 in words is "twenty trillion, three hundred twenty-one billion, three hundred thirty million, one hundred ten thousand, three hundred eighty-eight".