20941833 has 24 divisors (see below), whose sum is σ = 31698688. Its totient is φ = 12276000.

The previous prime is 20941831. The next prime is 20941871. The reversal of 20941833 is 33814902.

It is not a de Polignac number, because 20941833 - 2¹ = 20941831 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20941833.

It is not an unprimeable number, because it can be changed into a prime (20941831) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10323 + ... + 12183.

Almost surely, 2^20941833 is an apocalyptic number.

It is an amenable number.

20941833 is a deficient number, since it is larger than the sum of its proper divisors (10756855).

20941833 is a wasteful number, since it uses less digits than its factorization.

20941833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1917 (or 1906 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 20941833 is about 4576.2247540959. The cubic root of 20941833 is about 275.6374545614.

The spelling of 20941833 in words is "twenty million, nine hundred forty-one thousand, eight hundred thirty-three".