20320701 has 4 divisors (see below), whose sum is σ = 27094272. Its totient is φ = 13547132.

The previous prime is 20320687. The next prime is 20320711. The reversal of 20320701 is 10702302.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20320701 - 2⁵ = 20320669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20320711) 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 3 ways as a sum of consecutive naturals, for example, 3386781 + ... + 3386786.

It is an arithmetic number, because the mean of its divisors is an integer number (6773568).

Almost surely, 2^20320701 is an apocalyptic number.

It is an amenable number.

20320701 is a deficient number, since it is larger than the sum of its proper divisors (6773571).

20320701 is an equidigital number, since it uses as much as digits as its factorization.

20320701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6773570.

The product of its (nonzero) digits is 84, while the sum is 15.

The square root of 20320701 is about 4507.8488217774. The cubic root of 20320701 is about 272.8849358781.

The spelling of 20320701 in words is "twenty million, three hundred twenty thousand, seven hundred one".