20196574 has 8 divisors (see below), whose sum is σ = 30339720. Its totient is φ = 10083336.

The previous prime is 20196529. The next prime is 20196577. The reversal of 20196574 is 47569102.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20196577) 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, 5704 + ... + 8539.

It is an arithmetic number, because the mean of its divisors is an integer number (3792465).

Almost surely, 2^20196574 is an apocalyptic number.

20196574 is a deficient number, since it is larger than the sum of its proper divisors (10143146).

20196574 is a wasteful number, since it uses less digits than its factorization.

20196574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14954.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 20196574 is about 4494.0598571893. The cubic root of 20196574 is about 272.3281704371.

The spelling of 20196574 in words is "twenty million, one hundred ninety-six thousand, five hundred seventy-four".