20231441 has 4 divisors (see below), whose sum is σ = 20273472. Its totient is φ = 20189412.

The previous prime is 20231429. The next prime is 20231461. The reversal of 20231441 is 14413202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20231441 is a prime.

It is a super-2 number, since 2×20231441² = 818622409872962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20231401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20285 + ... + 21258.

It is an arithmetic number, because the mean of its divisors is an integer number (5068368).

Almost surely, 2^20231441 is an apocalyptic number.

It is an amenable number.

20231441 is a deficient number, since it is larger than the sum of its proper divisors (42031).

20231441 is an equidigital number, since it uses as much as digits as its factorization.

20231441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42030.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 20231441 is about 4497.9374161942. The cubic root of 20231441 is about 272.4847944830.

Adding to 20231441 its reverse (14413202), we get a palindrome (34644643).

The spelling of 20231441 in words is "twenty million, two hundred thirty-one thousand, four hundred forty-one".