20313302020 has 96 divisors (see below), whose sum is σ = 47012474880. Its totient is φ = 7311306240.

The previous prime is 20313301999. The next prime is 20313302027. The reversal of 20313302020 is 2020331302.

It is a junction number, because it is equal to n+sod(n) for n = 20313301985 and 20313302003.

It is not an unprimeable number, because it can be changed into a prime (20313302027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23161822 + ... + 23162698.

It is an arithmetic number, because the mean of its divisors is an integer number (489713280).

Almost surely, 2^20313302020 is an apocalyptic number.

20313302020 is a gapful number since it is divisible by the number (20) 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 20313302020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23506237440).

20313302020 is an abundant number, since it is smaller than the sum of its proper divisors (26699172860).

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

20313302020 is a wasteful number, since it uses less digits than its factorization.

20313302020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1853 (or 1851 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 20313302020 its reverse (2020331302), we get a palindrome (22333633322).

The spelling of 20313302020 in words is "twenty billion, three hundred thirteen million, three hundred two thousand, twenty".