20227694 has 8 divisors (see below), whose sum is σ = 30380880. Its totient is φ = 10100736.

The previous prime is 20227693. The next prime is 20227709. The reversal of 20227694 is 49672202.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20227694.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20227693) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 4499 + ... + 7790.

It is an arithmetic number, because the mean of its divisors is an integer number (3797610).

Almost surely, 2^20227694 is an apocalyptic number.

20227694 is a deficient number, since it is larger than the sum of its proper divisors (10153186).

20227694 is a wasteful number, since it uses less digits than its factorization.

20227694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13114.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 20227694 is about 4497.5208726586. The cubic root of 20227694 is about 272.4679714341.

Adding to 20227694 its reverse (49672202), we get a palindrome (69899896).

The spelling of 20227694 in words is "twenty million, two hundred twenty-seven thousand, six hundred ninety-four".