20157301 has 2 divisors, whose sum is σ = 20157302. Its totient is φ = 20157300.

The previous prime is 20157287. The next prime is 20157311. The reversal of 20157301 is 10375102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20016676 + 140625 = 4474^2 + 375^2 .

It is a cyclic number.

It is not a de Polignac number, because 20157301 - 2¹³ = 20149109 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20157311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10078650 + 10078651.

It is an arithmetic number, because the mean of its divisors is an integer number (10078651).

Almost surely, 2^20157301 is an apocalyptic number.

It is an amenable number.

20157301 is a deficient number, since it is larger than the sum of its proper divisors (1).

20157301 is an equidigital number, since it uses as much as digits as its factorization.

20157301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 20157301 is about 4489.6882965302. The cubic root of 20157301 is about 272.1515384316.

It can be divided in two parts, 2015 and 7301, that added together give a triangular number (9316 = T₁₃₆).

The spelling of 20157301 in words is "twenty million, one hundred fifty-seven thousand, three hundred one".