19020709107 has 36 divisors (see below), whose sum is σ = 29323377720. Its totient is φ = 11847949056.

The previous prime is 19020709087. The next prime is 19020709157. The reversal of 19020709107 is 70190702091.

It is not a de Polignac number, because 19020709107 - 2¹¹ = 19020707059 is a prime.

It is a super-2 number, since 2×19020709107² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (19020709157) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 900823 + ... + 921695.

It is an arithmetic number, because the mean of its divisors is an integer number (814538270).

Almost surely, 2^19020709107 is an apocalyptic number.

19020709107 is a deficient number, since it is larger than the sum of its proper divisors (10302668613).

19020709107 is a wasteful number, since it uses less digits than its factorization.

19020709107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21044 (or 20968 counting only the distinct ones).

The product of its (nonzero) digits is 7938, while the sum is 36.

The spelling of 19020709107 in words is "nineteen billion, twenty million, seven hundred nine thousand, one hundred seven".