20363249 has 8 divisors (see below), whose sum is σ = 21745920. Its totient is φ = 19026000.

The previous prime is 20363197. The next prime is 20363251. The reversal of 20363249 is 94236302.

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

It is a cyclic number.

It is not a de Polignac number, because 20363249 - 2¹⁶ = 20297713 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20363279) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10427 + ... + 12224.

It is an arithmetic number, because the mean of its divisors is an integer number (2718240).

Almost surely, 2^20363249 is an apocalyptic number.

20363249 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

20363249 is a deficient number, since it is larger than the sum of its proper divisors (1382671).

20363249 is a wasteful number, since it uses less digits than its factorization.

20363249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22711.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 20363249 is about 4512.5656781924. The cubic root of 20363249 is about 273.0752609078.

The spelling of 20363249 in words is "twenty million, three hundred sixty-three thousand, two hundred forty-nine".