20342130304 has 64 divisors (see below), whose sum is σ = 42354267840. Its totient is φ = 9713442816.

The previous prime is 20342130257. The next prime is 20342130323. The reversal of 20342130304 is 40303124302.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1976179 + ... + 1986445.

It is an arithmetic number, because the mean of its divisors is an integer number (661785435).

Almost surely, 2^20342130304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20342130304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21177133920).

20342130304 is an abundant number, since it is smaller than the sum of its proper divisors (22012137536).

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

20342130304 is a wasteful number, since it uses less digits than its factorization.

20342130304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10977 (or 10965 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 20342130304 its reverse (40303124302), we get a palindrome (60645254606).

The spelling of 20342130304 in words is "twenty billion, three hundred forty-two million, one hundred thirty thousand, three hundred four".