20034311304 has 96 divisors (see below), whose sum is σ = 58682685600. Its totient is φ = 5682862080.

The previous prime is 20034311293. The next prime is 20034311327. The reversal of 20034311304 is 40311343002.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

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, 102184 + ... + 224744.

It is an arithmetic number, because the mean of its divisors is an integer number (611277975).

Almost surely, 2^20034311304 is an apocalyptic number.

20034311304 is a gapful number since it is divisible by the number (24) 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 20034311304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29341342800).

20034311304 is an abundant number, since it is smaller than the sum of its proper divisors (38648374296).

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

20034311304 is a wasteful number, since it uses less digits than its factorization.

20034311304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122723 (or 122712 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20034311304 its reverse (40311343002), we get a palindrome (60345654306).

The spelling of 20034311304 in words is "twenty billion, thirty-four million, three hundred eleven thousand, three hundred four".