20201841 has 12 divisors (see below), whose sum is σ = 31833360. Its totient is φ = 12243480.

The previous prime is 20201827. The next prime is 20201849. The reversal of 20201841 is 14810202.

It is not a de Polignac number, because 20201841 - 2⁵ = 20201809 is a prime.

It is a super-2 number, since 2×20201841² = 816228759578562, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20201849) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101931 + ... + 102128.

It is an arithmetic number, because the mean of its divisors is an integer number (2652780).

Almost surely, 2^20201841 is an apocalyptic number.

It is an amenable number.

20201841 is a deficient number, since it is larger than the sum of its proper divisors (11631519).

20201841 is a wasteful number, since it uses less digits than its factorization.

20201841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204076 (or 204073 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 20201841 is about 4494.6458147445. The cubic root of 20201841 is about 272.3518415773.

The spelling of 20201841 in words is "twenty million, two hundred one thousand, eight hundred forty-one".