20485301 has 2 divisors, whose sum is σ = 20485302. Its totient is φ = 20485300.

The previous prime is 20485277. The next prime is 20485307. The reversal of 20485301 is 10358402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20484676 + 625 = 4526^2 + 25^2 .

It is a cyclic number.

It is not a de Polignac number, because 20485301 - 2⁶ = 20485237 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 (20485307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10242650 + 10242651.

It is an arithmetic number, because the mean of its divisors is an integer number (10242651).

Almost surely, 2^20485301 is an apocalyptic number.

It is an amenable number.

20485301 is a deficient number, since it is larger than the sum of its proper divisors (1).

20485301 is an equidigital number, since it uses as much as digits as its factorization.

20485301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 20485301 is about 4526.0690449882. The cubic root of 20485301 is about 273.6197551155.

The spelling of 20485301 in words is "twenty million, four hundred eighty-five thousand, three hundred one".