20307701 has 8 divisors (see below), whose sum is σ = 20549760. Its totient is φ = 20067408.

The previous prime is 20307691. The next prime is 20307719. The reversal of 20307701 is 10770302.

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 20307701 - 2¹⁴ = 20291317 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20307731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46040 + ... + 46478.

It is an arithmetic number, because the mean of its divisors is an integer number (2568720).

Almost surely, 2^20307701 is an apocalyptic number.

It is an amenable number.

20307701 is a deficient number, since it is larger than the sum of its proper divisors (242059).

20307701 is a wasteful number, since it uses less digits than its factorization.

20307701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883.

The product of its (nonzero) digits is 294, while the sum is 20.

The square root of 20307701 is about 4506.4066616319. The cubic root of 20307701 is about 272.8267315059.

The spelling of 20307701 in words is "twenty million, three hundred seven thousand, seven hundred one".