20432341 has 4 divisors (see below), whose sum is σ = 20443500. Its totient is φ = 20421184.

The previous prime is 20432333. The next prime is 20432381. The reversal of 20432341 is 14323402.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 6482116 + 13950225 = 2546^2 + 3735^2 .

It is a cyclic number.

It is not a de Polignac number, because 20432341 - 2³ = 20432333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20432381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2116 + ... + 6733.

It is an arithmetic number, because the mean of its divisors is an integer number (5110875).

Almost surely, 2^20432341 is an apocalyptic number.

It is an amenable number.

20432341 is a deficient number, since it is larger than the sum of its proper divisors (11159).

20432341 is an equidigital number, since it uses as much as digits as its factorization.

20432341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11158.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 20432341 is about 4520.2147072899. The cubic root of 20432341 is about 273.3837581304.

Adding to 20432341 its reverse (14323402), we get a palindrome (34755743).

The spelling of 20432341 in words is "twenty million, four hundred thirty-two thousand, three hundred forty-one".