20200019 has 8 divisors (see below), whose sum is σ = 23136000. Its totient is φ = 17276616.

The previous prime is 20200013. The next prime is 20200027. The reversal of 20200019 is 91000202.

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

It is not a de Polignac number, because 20200019 - 2¹⁶ = 20134483 is a prime.

It is a super-2 number, since 2×20200019² = 816081535200722, 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 = 20199976 and 20200012.

It is not an unprimeable number, because it can be changed into a prime (20200013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 602 + ... + 6384.

It is an arithmetic number, because the mean of its divisors is an integer number (2892000).

Almost surely, 2^20200019 is an apocalyptic number.

20200019 is a deficient number, since it is larger than the sum of its proper divisors (2935981).

20200019 is an equidigital number, since it uses as much as digits as its factorization.

20200019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6289.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 20200019 is about 4494.4431245706. The cubic root of 20200019 is about 272.3436535451.

The spelling of 20200019 in words is "twenty million, two hundred thousand, nineteen".