20210041 has 4 divisors (see below), whose sum is σ = 20220772. Its totient is φ = 20199312.

The previous prime is 20210039. The next prime is 20210063. The reversal of 20210041 is 14001202.

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 12531600 + 7678441 = 3540^2 + 2771^2 .

It is a cyclic number.

It is not a de Polignac number, because 20210041 - 2¹ = 20210039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20210441) 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, 1710 + ... + 6583.

It is an arithmetic number, because the mean of its divisors is an integer number (5055193).

Almost surely, 2^20210041 is an apocalyptic number.

It is an amenable number.

20210041 is a deficient number, since it is larger than the sum of its proper divisors (10731).

20210041 is an equidigital number, since it uses as much as digits as its factorization.

20210041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10730.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 20210041 is about 4495.5579186570. The cubic root of 20210041 is about 272.3886861237.

Adding to 20210041 its reverse (14001202), we get a palindrome (34211243).

The spelling of 20210041 in words is "twenty million, two hundred ten thousand, forty-one".