20600933 has 4 divisors (see below), whose sum is σ = 21311340. Its totient is φ = 19890528.

The previous prime is 20600911. The next prime is 20600947. The reversal of 20600933 is 33900602.

It is a happy number.

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 13380964 + 7219969 = 3658^2 + 2687^2 .

It is a cyclic number.

It is not a de Polignac number, because 20600933 - 2⁸ = 20600677 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20600899 and 20600908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20600903) 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, 355160 + ... + 355217.

It is an arithmetic number, because the mean of its divisors is an integer number (5327835).

Almost surely, 2^20600933 is an apocalyptic number.

It is an amenable number.

20600933 is a deficient number, since it is larger than the sum of its proper divisors (710407).

20600933 is an equidigital number, since it uses as much as digits as its factorization.

20600933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710406.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 20600933 is about 4538.8250682308. The cubic root of 20600933 is about 274.1336171435.

The spelling of 20600933 in words is "twenty million, six hundred thousand, nine hundred thirty-three".