20067479 has 2 divisors, whose sum is σ = 20067480. Its totient is φ = 20067478.

The previous prime is 20067451. The next prime is 20067521. The reversal of 20067479 is 97476002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20067479 - 2²⁴ = 3290263 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20067079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10033739 + 10033740.

It is an arithmetic number, because the mean of its divisors is an integer number (10033740).

Almost surely, 2^20067479 is an apocalyptic number.

20067479 is a deficient number, since it is larger than the sum of its proper divisors (1).

20067479 is an equidigital number, since it uses as much as digits as its factorization.

20067479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 20067479 is about 4479.6739836734. The cubic root of 20067479 is about 271.7466959491.

The spelling of 20067479 in words is "twenty million, sixty-seven thousand, four hundred seventy-nine".