20313110202 has 64 divisors (see below), whose sum is σ = 50872320000. Its totient is φ = 5253065280.

The previous prime is 20313110201. The next prime is 20313110287. The reversal of 20313110202 is 20201131302.

It is not an unprimeable number, because it can be changed into a prime (20313110201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9799 + ... + 201797.

It is an arithmetic number, because the mean of its divisors is an integer number (794880000).

Almost surely, 2^20313110202 is an apocalyptic number.

20313110202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 20313110202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25436160000).

20313110202 is an abundant number, since it is smaller than the sum of its proper divisors (30559209798).

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

20313110202 is a wasteful number, since it uses less digits than its factorization.

20313110202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192251.

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

Adding to 20313110202 its reverse (20201131302), we get a palindrome (40514241504).

The spelling of 20313110202 in words is "twenty billion, three hundred thirteen million, one hundred ten thousand, two hundred two".