20741313 has 8 divisors (see below), whose sum is σ = 27713376. Its totient is φ = 13798400.

The previous prime is 20741311. The next prime is 20741321. The reversal of 20741313 is 31314702.

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 20741313 - 2¹ = 20741311 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20741313.

It is not an unprimeable number, because it can be changed into a prime (20741311) 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, 5568 + ... + 8513.

It is an arithmetic number, because the mean of its divisors is an integer number (3464172).

Almost surely, 2^20741313 is an apocalyptic number.

It is an amenable number.

20741313 is a deficient number, since it is larger than the sum of its proper divisors (6972063).

20741313 is a wasteful number, since it uses less digits than its factorization.

20741313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14575.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 20741313 is about 4554.2631676266. The cubic root of 20741313 is about 274.7548802013.

The spelling of 20741313 in words is "twenty million, seven hundred forty-one thousand, three hundred thirteen".