20364248 has 16 divisors (see below), whose sum is σ = 38753880. Its totient is φ = 10029888.

The previous prime is 20364247. The next prime is 20364251. The reversal of 20364248 is 84246302.

It is a self number, because there is not a number n which added to its sum of digits gives 20364248.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20364247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18461 + ... + 19532.

Almost surely, 2^20364248 is an apocalyptic number.

It is an amenable number.

20364248 is a deficient number, since it is larger than the sum of its proper divisors (18389632).

20364248 is a wasteful number, since it uses less digits than its factorization.

20364248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38066 (or 38062 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 20364248 is about 4512.6763677445. The cubic root of 20364248 is about 273.0797264317.

The spelling of 20364248 in words is "twenty million, three hundred sixty-four thousand, two hundred forty-eight".