20270419 has 8 divisors (see below), whose sum is σ = 21929040. Its totient is φ = 18626016.

The previous prime is 20270417. The next prime is 20270431. The reversal of 20270419 is 91407202.

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 20270419 - 2¹ = 20270417 is a prime.

It is a super-2 number, since 2×20270419² = 821779772871122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20270393 and 20270402.

It is not an unprimeable number, because it can be changed into a prime (20270417) 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, 484 + ... + 6385.

It is an arithmetic number, because the mean of its divisors is an integer number (2741130).

Almost surely, 2^20270419 is an apocalyptic number.

20270419 is a deficient number, since it is larger than the sum of its proper divisors (1658621).

20270419 is a wasteful number, since it uses less digits than its factorization.

20270419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7109.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 20270419 is about 4502.2682061379. The cubic root of 20270419 is about 272.6596724340.

The spelling of 20270419 in words is "twenty million, two hundred seventy thousand, four hundred nineteen".