20313242000 has 160 divisors (see below), whose sum is σ = 52437715200. Its totient is φ = 7588224000.

The previous prime is 20313241973. The next prime is 20313242029. The reversal of 20313242000 is 24231302.

It is a self number, because there is not a number n which added to its sum of digits gives 20313242000.

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 31 ways as a sum of consecutive naturals, for example, 2694236 + ... + 2701764.

It is an arithmetic number, because the mean of its divisors is an integer number (327735720).

Almost surely, 2^20313242000 is an apocalyptic number.

20313242000 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 20313242000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26218857600).

20313242000 is an abundant number, since it is smaller than the sum of its proper divisors (32124473200).

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

20313242000 is a wasteful number, since it uses less digits than its factorization.

20313242000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7642 (or 7626 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 20313242000 its reverse (24231302), we get a palindrome (20337473302).

The spelling of 20313242000 in words is "twenty billion, three hundred thirteen million, two hundred forty-two thousand".