20134332340 has 48 divisors (see below), whose sum is σ = 42437770704. Its totient is φ = 8024140800.

The previous prime is 20134332331. The next prime is 20134332343. The reversal of 20134332340 is 4323343102.

It can be written as a sum of positive squares in 8 ways, for example, as 1449629476 + 18684702864 = 38074^2 + 136692^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20134332343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8599570 + ... + 8601910.

It is an arithmetic number, because the mean of its divisors is an integer number (884120223).

Almost surely, 2^20134332340 is an apocalyptic number.

20134332340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20134332340 is an abundant number, since it is smaller than the sum of its proper divisors (22303438364).

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

20134332340 is a wasteful number, since it uses less digits than its factorization.

20134332340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3748 (or 3746 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 20134332340 its reverse (4323343102), we get a palindrome (24457675442).

The spelling of 20134332340 in words is "twenty billion, one hundred thirty-four million, three hundred thirty-two thousand, three hundred forty".