20343441 has 16 divisors (see below), whose sum is σ = 28857600. Its totient is φ = 12703488.

The previous prime is 20343419. The next prime is 20343473. The reversal of 20343441 is 14434302.

It is not a de Polignac number, because 20343441 - 2¹¹ = 20341393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20343481) 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, 11355 + ... + 13023.

It is an arithmetic number, because the mean of its divisors is an integer number (1803600).

Almost surely, 2^20343441 is an apocalyptic number.

It is an amenable number.

20343441 is a deficient number, since it is larger than the sum of its proper divisors (8514159).

20343441 is a wasteful number, since it uses less digits than its factorization.

20343441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1928.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 20343441 is about 4510.3703839042. The cubic root of 20343441 is about 272.9866890959.

Adding to 20343441 its reverse (14434302), we get a palindrome (34777743).

The spelling of 20343441 in words is "twenty million, three hundred forty-three thousand, four hundred forty-one".