19190920002 has 32 divisors (see below), whose sum is σ = 38907628800. Its totient is φ = 6309508608.

The previous prime is 19190919997. The next prime is 19190920003. The reversal of 19190920002 is 20002909191.

It is not an unprimeable number, because it can be changed into a prime (19190920003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 452274 + ... + 492882.

It is an arithmetic number, because the mean of its divisors is an integer number (1215863400).

Almost surely, 2^19190920002 is an apocalyptic number.

19190920002 is an abundant number, since it is smaller than the sum of its proper divisors (19716708798).

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

19190920002 is a wasteful number, since it uses less digits than its factorization.

19190920002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41690.

The product of its (nonzero) digits is 2916, while the sum is 33.

The spelling of 19190920002 in words is "nineteen billion, one hundred ninety million, nine hundred twenty thousand, two".