20302312302328 has 128 divisors (see below), whose sum is σ = 45645582827520. Its totient is φ = 8277039239040.

The previous prime is 20302312302277. The next prime is 20302312302329. The reversal of 20302312302328 is 82320321320302.

It is a self number, because there is not a number n which added to its sum of digits gives 20302312302328.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20302312302329) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1330157625 + ... + 1330172887.

It is an arithmetic number, because the mean of its divisors is an integer number (356606115840).

Almost surely, 2^{20302312302328} is an apocalyptic number.

20302312302328 is a gapful number since it is divisible by the number (28) 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 20302312302328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22822791413760).

20302312302328 is an abundant number, since it is smaller than the sum of its proper divisors (25343270525192).

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

20302312302328 is a wasteful number, since it uses less digits than its factorization.

20302312302328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20897 (or 20893 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

The spelling of 20302312302328 in words is "twenty trillion, three hundred two billion, three hundred twelve million, three hundred two thousand, three hundred twenty-eight".