20469419 has 8 divisors (see below), whose sum is σ = 21235632. Its totient is φ = 19716480.

The previous prime is 20469413. The next prime is 20469431. The reversal of 20469419 is 91496402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20469419 - 2¹² = 20465323 is a prime.

It is a super-2 number, since 2×20469419² = 837994228395122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20469413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122 + ... + 6399.

It is an arithmetic number, because the mean of its divisors is an integer number (2654454).

Almost surely, 2^20469419 is an apocalyptic number.

20469419 is a deficient number, since it is larger than the sum of its proper divisors (766213).

20469419 is an equidigital number, since it uses as much as digits as its factorization.

20469419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6637.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 20469419 is about 4524.3142021747. The cubic root of 20469419 is about 273.5490254986.

The spelling of 20469419 in words is "twenty million, four hundred sixty-nine thousand, four hundred nineteen".