19010010020 has 24 divisors (see below), whose sum is σ = 40483291968. Its totient is φ = 7496904800.

The previous prime is 19010009983. The next prime is 19010010043. The reversal of 19010010020 is 2001001091.

It is a super-2 number, since 2×19010010020² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 19010009977 and 19010010004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6692246 + ... + 6695085.

It is an arithmetic number, because the mean of its divisors is an integer number (1686803832).

Almost surely, 2^19010010020 is an apocalyptic number.

19010010020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19010010020 is an abundant number, since it is smaller than the sum of its proper divisors (21473281948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19010010020 is a wasteful number, since it uses less digits than its factorization.

19010010020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13387411 (or 13387409 counting only the distinct ones).

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

The spelling of 19010010020 in words is "nineteen billion, ten million, ten thousand, twenty".