20471301 has 6 divisors (see below), whose sum is σ = 29569670. Its totient is φ = 13647528.

The previous prime is 20471291. The next prime is 20471327. The reversal of 20471301 is 10317402.

It can be written as a sum of positive squares in only one way, i.e., 19368801 + 1102500 = 4401^2 + 1050^2 .

It is not a de Polignac number, because 20471301 - 2⁶ = 20471237 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 (20471201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1137286 + ... + 1137303.

Almost surely, 2^20471301 is an apocalyptic number.

It is an amenable number.

20471301 is a deficient number, since it is larger than the sum of its proper divisors (9098369).

20471301 is a wasteful number, since it uses less digits than its factorization.

20471301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2274595 (or 2274592 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 20471301 is about 4524.5221847174. The cubic root of 20471301 is about 273.5574087929.

Adding to 20471301 its reverse (10317402), we get a palindrome (30788703).

The spelling of 20471301 in words is "twenty million, four hundred seventy-one thousand, three hundred one".