20730301 has 4 divisors (see below), whose sum is σ = 21070204. Its totient is φ = 20390400.

The previous prime is 20730277. The next prime is 20730313. The reversal of 20730301 is 10303702.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10303702 = 2 ⋅5151851.

It can be written as a sum of positive squares in 2 ways, for example, as 8820900 + 11909401 = 2970^2 + 3451^2 .

It is a cyclic number.

It is not a de Polignac number, because 20730301 - 2⁷ = 20730173 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 (20731301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169860 + ... + 169981.

It is an arithmetic number, because the mean of its divisors is an integer number (5267551).

Almost surely, 2^20730301 is an apocalyptic number.

It is an amenable number.

20730301 is a deficient number, since it is larger than the sum of its proper divisors (339903).

20730301 is an equidigital number, since it uses as much as digits as its factorization.

20730301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339902.

The product of its (nonzero) digits is 126, while the sum is 16.

The square root of 20730301 is about 4553.0540299891. The cubic root of 20730301 is about 274.7062472089.

The spelling of 20730301 in words is "twenty million, seven hundred thirty thousand, three hundred one".