20466694 has 4 divisors (see below), whose sum is σ = 30700044. Its totient is φ = 10233346.

The previous prime is 20466689. The next prime is 20466697. The reversal of 20466694 is 49666402.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20466697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5116672 + ... + 5116675.

It is an arithmetic number, because the mean of its divisors is an integer number (7675011).

Almost surely, 2^20466694 is an apocalyptic number.

20466694 is a deficient number, since it is larger than the sum of its proper divisors (10233350).

20466694 is a wasteful number, since it uses less digits than its factorization.

20466694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10233349.

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 20466694 is about 4524.0130415373. The cubic root of 20466694 is about 273.5368861836.

The spelling of 20466694 in words is "twenty million, four hundred sixty-six thousand, six hundred ninety-four".