20600471 has 2 divisors, whose sum is σ = 20600472. Its totient is φ = 20600470.

The previous prime is 20600449. The next prime is 20600501. The reversal of 20600471 is 17400602.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20600471 - 2⁶ = 20600407 is a prime.

It is a super-3 number, since 3×20600471³ (a number of 23 digits) contains 333 as substring.

It is a Chen prime.

It is equal to p_1306253 and since 20600471 and 1306253 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20600431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10300235 + 10300236.

It is an arithmetic number, because the mean of its divisors is an integer number (10300236).

Almost surely, 2^20600471 is an apocalyptic number.

20600471 is a deficient number, since it is larger than the sum of its proper divisors (1).

20600471 is an equidigital number, since it uses as much as digits as its factorization.

20600471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 20600471 is about 4538.7741737170. The cubic root of 20600471 is about 274.1315678726.

The spelling of 20600471 in words is "twenty million, six hundred thousand, four hundred seventy-one".