20574364 has 6 divisors (see below), whose sum is σ = 36005144. Its totient is φ = 10287180.

The previous prime is 20574361. The next prime is 20574401. The reversal of 20574364 is 46347502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20574361) 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 as a sum of consecutive naturals, namely, 2571792 + ... + 2571799.

Almost surely, 2^20574364 is an apocalyptic number.

It is an amenable number.

20574364 is a deficient number, since it is larger than the sum of its proper divisors (15430780).

20574364 is a wasteful number, since it uses less digits than its factorization.

20574364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5143595 (or 5143593 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 20574364 is about 4535.8972651505. The cubic root of 20574364 is about 274.0157165049.

The spelling of 20574364 in words is "twenty million, five hundred seventy-four thousand, three hundred sixty-four".