20410933 has 4 divisors (see below), whose sum is σ = 20466028. Its totient is φ = 20355840.

The previous prime is 20410919. The next prime is 20410963. The reversal of 20410933 is 33901402.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12974404 + 7436529 = 3602^2 + 2727^2 .

It is a cyclic number.

It is not a de Polignac number, because 20410933 - 2¹³ = 20402741 is a prime.

It is a Duffinian number.

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, 26988 + ... + 27733.

It is an arithmetic number, because the mean of its divisors is an integer number (5116507).

Almost surely, 2^20410933 is an apocalyptic number.

It is an amenable number.

20410933 is a deficient number, since it is larger than the sum of its proper divisors (55095).

20410933 is an equidigital number, since it uses as much as digits as its factorization.

20410933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55094.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 20410933 is about 4517.8460575810. The cubic root of 20410933 is about 273.2882454216.

The spelling of 20410933 in words is "twenty million, four hundred ten thousand, nine hundred thirty-three".