20330642310 has 128 divisors (see below), whose sum is σ = 55829689344. Its totient is φ = 4690076160.

The previous prime is 20330642281. The next prime is 20330642317. The reversal of 20330642310 is 1324603302.

It is a super-4 number, since 4×20330642310⁴ (a number of 42 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20330642317) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1488432 + ... + 1502028.

It is an arithmetic number, because the mean of its divisors is an integer number (436169448).

Almost surely, 2^20330642310 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20330642310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27914844672).

20330642310 is an abundant number, since it is smaller than the sum of its proper divisors (35499047034).

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

20330642310 is a wasteful number, since it uses less digits than its factorization.

20330642310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13838.

The product of its (nonzero) digits is 2592, while the sum is 24.

The spelling of 20330642310 in words is "twenty billion, three hundred thirty million, six hundred forty-two thousand, three hundred ten".