20132343 has 72 divisors (see below), whose sum is σ = 38729600. Its totient is φ = 9836640.

The previous prime is 20132341. The next prime is 20132347. The reversal of 20132343 is 34323102.

It is not a de Polignac number, because 20132343 - 2¹ = 20132341 is a prime.

It is a super-2 number, since 2×20132343² = 810622469339298, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20132341) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 144768 + ... + 144906.

Almost surely, 2^20132343 is an apocalyptic number.

20132343 is a deficient number, since it is larger than the sum of its proper divisors (18597257).

20132343 is a wasteful number, since it uses less digits than its factorization.

20132343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193 (or 179 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 20132343 is about 4486.9079553742. The cubic root of 20132343 is about 272.0391694961.

Adding to 20132343 its reverse (34323102), we get a palindrome (54455445).

It can be divided in two parts, 2013 and 2343, that added together give a square (4356 = 66²).

The spelling of 20132343 in words is "twenty million, one hundred thirty-two thousand, three hundred forty-three".