20201441 has 8 divisors (see below), whose sum is σ = 21797160. Its totient is φ = 18611712.

The previous prime is 20201437. The next prime is 20201449. The reversal of 20201441 is 14410202.

It can be written as a sum of positive squares in 4 ways, for example, as 1677025 + 18524416 = 1295^2 + 4304^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20201441 - 2² = 20201437 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20201449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7595 + ... + 9903.

It is an arithmetic number, because the mean of its divisors is an integer number (2724645).

Almost surely, 2^20201441 is an apocalyptic number.

It is an amenable number.

20201441 is a deficient number, since it is larger than the sum of its proper divisors (1595719).

20201441 is a wasteful number, since it uses less digits than its factorization.

20201441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2995.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 20201441 is about 4494.6013171359. The cubic root of 20201441 is about 272.3500440274.

Adding to 20201441 its reverse (14410202), we get a palindrome (34611643).

The spelling of 20201441 in words is "twenty million, two hundred one thousand, four hundred forty-one".