20410943 has 4 divisors (see below), whose sum is σ = 23326800. Its totient is φ = 17495088.

The previous prime is 20410919. The next prime is 20410963. The reversal of 20410943 is 34901402.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34901402 = 2 ⋅17450701.

It is a cyclic number.

It is not a de Polignac number, because 20410943 - 2⁶ = 20410879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20410903) 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, 1457918 + ... + 1457931.

It is an arithmetic number, because the mean of its divisors is an integer number (5831700).

Almost surely, 2^20410943 is an apocalyptic number.

20410943 is a deficient number, since it is larger than the sum of its proper divisors (2915857).

20410943 is an equidigital number, since it uses as much as digits as its factorization.

20410943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2915856.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 20410943 is about 4517.8471643029. The cubic root of 20410943 is about 273.2882900527.

The spelling of 20410943 in words is "twenty million, four hundred ten thousand, nine hundred forty-three".