20633794 has 4 divisors (see below), whose sum is σ = 30950694. Its totient is φ = 10316896.

The previous prime is 20633771. The next prime is 20633803. The reversal of 20633794 is 49733602.

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

It can be written as a sum of positive squares in only one way, i.e., 19847025 + 786769 = 4455^2 + 887^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5158447 + ... + 5158450.

Almost surely, 2^20633794 is an apocalyptic number.

20633794 is a deficient number, since it is larger than the sum of its proper divisors (10316900).

20633794 is a wasteful number, since it uses less digits than its factorization.

20633794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10316899.

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 20633794 is about 4542.4436155004. The cubic root of 20633794 is about 274.2792985592.

The spelling of 20633794 in words is "twenty million, six hundred thirty-three thousand, seven hundred ninety-four".