20110231302 has 96 divisors (see below), whose sum is σ = 47479540992. Its totient is φ = 5561379648.

The previous prime is 20110231291. The next prime is 20110231363. The reversal of 20110231302 is 20313201102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9794508 + ... + 9796560.

It is an arithmetic number, because the mean of its divisors is an integer number (494578552).

Almost surely, 2^20110231302 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20110231302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23739770496).

20110231302 is an abundant number, since it is smaller than the sum of its proper divisors (27369309690).

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

20110231302 is a wasteful number, since it uses less digits than its factorization.

20110231302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2250 (or 2191 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20110231302 its reverse (20313201102), we get a palindrome (40423432404).

The spelling of 20110231302 in words is "twenty billion, one hundred ten million, two hundred thirty-one thousand, three hundred two".