10001020019 has 4 divisors (see below), whose sum is σ = 10323633600. Its totient is φ = 9678406440.

The previous prime is 10001019983. The next prime is 10001020031. The reversal of 10001020019 is 91002010001.

10001020019 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10001020019 is a prime.

It is a super-2 number, since 2×10001020019² (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 = 10001019985 and 10001020012.

It is not an unprimeable number, because it can be changed into a prime (10001026019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161306744 + ... + 161306805.

It is an arithmetic number, because the mean of its divisors is an integer number (2580908400).

Almost surely, 2^10001020019 is an apocalyptic number.

10001020019 is a deficient number, since it is larger than the sum of its proper divisors (322613581).

10001020019 is an equidigital number, since it uses as much as digits as its factorization.

10001020019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322613580.

The product of its (nonzero) digits is 18, while the sum is 14.

The spelling of 10001020019 in words is "ten billion, one million, twenty thousand, nineteen".