20304040302 has 384 divisors, whose sum is σ = 58511351808. Its totient is φ = 4945536000.

The previous prime is 20304040301. The next prime is 20304040313.

20304040302 is a `hidden beast` number, since 20 + 304 + 0 + 40 + 302 = 666.

20304040302 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20304040301) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 189757333 + ... + 189757439.

It is an arithmetic number, because the mean of its divisors is an integer number (152373312).

Almost surely, 2^20304040302 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20304040302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29255675904).

20304040302 is an abundant number, since it is smaller than the sum of its proper divisors (38207311506).

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

20304040302 is a wasteful number, since it uses less digits than its factorization.

20304040302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304 (or 301 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

It can be divided in two parts, 203040 and 40302, that added together give a palindrome (243342).

The spelling of 20304040302 in words is "twenty billion, three hundred four million, forty thousand, three hundred two".