8020019 has 8 divisors (see below), whose sum is σ = 9192960. Its totient is φ = 6853896.

The previous prime is 8020007. The next prime is 8020027. The reversal of 8020019 is 9100208.

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

It is not a de Polignac number, because 8020019 - 2⁴ = 8020003 is a prime.

It is a super-2 number, since 2×8020019² = 128641409520722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8020049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1142 + ... + 4164.

It is an arithmetic number, because the mean of its divisors is an integer number (1149120).

Almost surely, 2^8020019 is an apocalyptic number.

8020019 is a deficient number, since it is larger than the sum of its proper divisors (1172941).

8020019 is a wasteful number, since it uses less digits than its factorization.

8020019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3409.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 8020019 is about 2831.9638062659. The cubic root of 8020019 is about 200.1666860402.

The spelling of 8020019 in words is "eight million, twenty thousand, nineteen".