20547368 has 16 divisors (see below), whose sum is σ = 38612160. Its totient is φ = 10250800.

The previous prime is 20547361. The next prime is 20547409. The reversal of 20547368 is 86374502.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20547361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1313 + ... + 6543.

It is an arithmetic number, because the mean of its divisors is an integer number (2413260).

Almost surely, 2^20547368 is an apocalyptic number.

It is an amenable number.

20547368 is a deficient number, since it is larger than the sum of its proper divisors (18064792).

20547368 is a wasteful number, since it uses less digits than its factorization.

20547368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5728 (or 5724 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 20547368 is about 4532.9204713959. The cubic root of 20547368 is about 273.8958170346.

The spelling of 20547368 in words is "twenty million, five hundred forty-seven thousand, three hundred sixty-eight".