20334131300 has 72 divisors (see below), whose sum is σ = 50460936960. Its totient is φ = 6967238400.

The previous prime is 20334131291. The next prime is 20334131309. The reversal of 20334131300 is 313143302.

It is an interprime number because it is at equal distance from previous prime (20334131291) and next prime (20334131309).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (20334131309) 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 23 ways as a sum of consecutive naturals, for example, 1196261 + ... + 1213139.

Almost surely, 2^20334131300 is an apocalyptic number.

20334131300 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 20334131300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25230468480).

20334131300 is an abundant number, since it is smaller than the sum of its proper divisors (30126805660).

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

20334131300 is a wasteful number, since it uses less digits than its factorization.

20334131300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18621 (or 18614 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 20334131300 its reverse (313143302), we get a palindrome (20647274602).

The spelling of 20334131300 in words is "twenty billion, three hundred thirty-four million, one hundred thirty-one thousand, three hundred".