20713303 has 8 divisors (see below), whose sum is σ = 22910048. Its totient is φ = 18602784.

The previous prime is 20713291. The next prime is 20713309. The reversal of 20713303 is 30331702.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20713303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20713309) 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, 21051 + ... + 22012.

It is an arithmetic number, because the mean of its divisors is an integer number (2863756).

Almost surely, 2^20713303 is an apocalyptic number.

20713303 is a deficient number, since it is larger than the sum of its proper divisors (2196745).

20713303 is a wasteful number, since it uses less digits than its factorization.

20713303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43113.

The product of its (nonzero) digits is 378, while the sum is 19.

The square root of 20713303 is about 4551.1869880285. The cubic root of 20713303 is about 274.6311440443.

The spelling of 20713303 in words is "twenty million, seven hundred thirteen thousand, three hundred three".