20234392308 has 108 divisors (see below), whose sum is σ = 55604966508. Its totient is φ = 6201262080.

The previous prime is 20234392291. The next prime is 20234392313. The reversal of 20234392308 is 80329343202.

20234392308 is a `hidden beast` number, since 2 + 0 + 2 + 343 + 9 + 2 + 308 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 112402404 + 20121989904 = 10602^2 + 141852^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1557118 + ... + 1570058.

It is an arithmetic number, because the mean of its divisors is an integer number (514860801).

Almost surely, 2^20234392308 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 20234392308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27802483254).

20234392308 is an abundant number, since it is smaller than the sum of its proper divisors (35370574200).

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

20234392308 is a wasteful number, since it uses less digits than its factorization.

20234392308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13234 (or 13216 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The spelling of 20234392308 in words is "twenty billion, two hundred thirty-four million, three hundred ninety-two thousand, three hundred eight".