20140243352 has 64 divisors (see below), whose sum is σ = 40644979200. Its totient is φ = 9325929600.

The previous prime is 20140243307. The next prime is 20140243367. The reversal of 20140243352 is 25334204102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10593602 + ... + 10595502.

It is an arithmetic number, because the mean of its divisors is an integer number (635077800).

Almost surely, 2^20140243352 is an apocalyptic number.

It is an amenable number.

20140243352 is an abundant number, since it is smaller than the sum of its proper divisors (20504735848).

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

20140243352 is a wasteful number, since it uses less digits than its factorization.

20140243352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3456 (or 3452 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 20140243352 its reverse (25334204102), we get a palindrome (45474447454).

The spelling of 20140243352 in words is "twenty billion, one hundred forty million, two hundred forty-three thousand, three hundred fifty-two".