20633069 has 8 divisors (see below), whose sum is σ = 21766080. Its totient is φ = 19504800.

The previous prime is 20633033. The next prime is 20633071. The reversal of 20633069 is 96033602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20633069 is a prime.

It is a super-2 number, since 2×20633069² = 851447072717522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20633089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11129 + ... + 12849.

It is an arithmetic number, because the mean of its divisors is an integer number (2720760).

Almost surely, 2^20633069 is an apocalyptic number.

It is an amenable number.

20633069 is a deficient number, since it is larger than the sum of its proper divisors (1133011).

20633069 is a wasteful number, since it uses less digits than its factorization.

20633069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2371.

The product of its (nonzero) digits is 5832, while the sum is 29.

The square root of 20633069 is about 4542.3638119376. The cubic root of 20633069 is about 274.2760861136.

The spelling of 20633069 in words is "twenty million, six hundred thirty-three thousand, sixty-nine".