20050469 has 2 divisors, whose sum is σ = 20050470. Its totient is φ = 20050468.

The previous prime is 20050451. The next prime is 20050493. The reversal of 20050469 is 96405002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19936225 + 114244 = 4465^2 + 338^2 .

It is a cyclic number.

It is not a de Polignac number, because 20050469 - 2⁸ = 20050213 is a prime.

It is a super-2 number, since 2×20050469² = 804042614239922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20050439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10025234 + 10025235.

It is an arithmetic number, because the mean of its divisors is an integer number (10025235).

Almost surely, 2^20050469 is an apocalyptic number.

It is an amenable number.

20050469 is a deficient number, since it is larger than the sum of its proper divisors (1).

20050469 is an equidigital number, since it uses as much as digits as its factorization.

20050469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 20050469 is about 4477.7750055133. The cubic root of 20050469 is about 271.6698931120.

The spelling of 20050469 in words is "twenty million, fifty thousand, four hundred sixty-nine".