20113694 has 4 divisors (see below), whose sum is σ = 30170544. Its totient is φ = 10056846.

The previous prime is 20113673. The next prime is 20113721. The reversal of 20113694 is 49631102.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5028422 + ... + 5028425.

It is an arithmetic number, because the mean of its divisors is an integer number (7542636).

Almost surely, 2^20113694 is an apocalyptic number.

20113694 is a deficient number, since it is larger than the sum of its proper divisors (10056850).

20113694 is a wasteful number, since it uses less digits than its factorization.

20113694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10056849.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 20113694 is about 4484.8293167076. The cubic root of 20113694 is about 271.9551450689.

Adding to 20113694 its reverse (49631102), we get a palindrome (69744796).

The spelling of 20113694 in words is "twenty million, one hundred thirteen thousand, six hundred ninety-four".