20002000019 has 8 divisors (see below), whose sum is σ = 20498667840. Its totient is φ = 19505752000.

The previous prime is 20001999977. The next prime is 20002000021. The reversal of 20002000019 is 91000020002.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20002000019 is a prime.

It is a super-2 number, since 2×20002000019² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20001999967 and 20002000012.

It is not an unprimeable number, because it can be changed into a prime (20002000049) 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, 7364 + ... + 200145.

It is an arithmetic number, because the mean of its divisors is an integer number (2562333480).

Almost surely, 2^20002000019 is an apocalyptic number.

20002000019 is a deficient number, since it is larger than the sum of its proper divisors (496667821).

20002000019 is a wasteful number, since it uses less digits than its factorization.

20002000019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209901.

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

The spelling of 20002000019 in words is "twenty billion, two million, nineteen", and thus it is an aban number and an uban number.