20740363 has 8 divisors (see below), whose sum is σ = 23740128. Its totient is φ = 17749824.

The previous prime is 20740361. The next prime is 20740373. The reversal of 20740363 is 36304702.

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 20740363 - 2¹ = 20740361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20740361) 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 7 ways as a sum of consecutive naturals, for example, 3495 + ... + 7327.

It is an arithmetic number, because the mean of its divisors is an integer number (2967516).

Almost surely, 2^20740363 is an apocalyptic number.

20740363 is a deficient number, since it is larger than the sum of its proper divisors (2999765).

20740363 is an equidigital number, since it uses as much as digits as its factorization.

20740363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4613.

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 20740363 is about 4554.1588685508. The cubic root of 20740363 is about 274.7506853347.

The spelling of 20740363 in words is "twenty million, seven hundred forty thousand, three hundred sixty-three".