20692933 has 4 divisors (see below), whose sum is σ = 21174208. Its totient is φ = 20211660.

The previous prime is 20692901. The next prime is 20692967. The reversal of 20692933 is 33929602.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20692933 - 2⁵ = 20692901 is a prime.

It is a super-2 number, since 2×20692933² = 856394952284978, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20692733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 240573 + ... + 240658.

It is an arithmetic number, because the mean of its divisors is an integer number (5293552).

Almost surely, 2^20692933 is an apocalyptic number.

It is an amenable number.

20692933 is a deficient number, since it is larger than the sum of its proper divisors (481275).

20692933 is an equidigital number, since it uses as much as digits as its factorization.

20692933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481274.

The product of its (nonzero) digits is 17496, while the sum is 34.

The square root of 20692933 is about 4548.9485598323. The cubic root of 20692933 is about 274.5410880507.

It can be divided in two parts, 206 and 92933, that added together give a palindrome (93139).

The spelling of 20692933 in words is "twenty million, six hundred ninety-two thousand, nine hundred thirty-three".