2019163047820 has 12 divisors (see below), whose sum is σ = 4240242400464. Its totient is φ = 807665219120.

The previous prime is 2019163047761. The next prime is 2019163047829. The reversal of 2019163047820 is 287403619102.

It is not an unprimeable number, because it can be changed into a prime (2019163047829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50479076176 + ... + 50479076215.

It is an arithmetic number, because the mean of its divisors is an integer number (353353533372).

Almost surely, 2^{2019163047820} is an apocalyptic number.

2019163047820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2019163047820 is an abundant number, since it is smaller than the sum of its proper divisors (2221079352644).

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

2019163047820 is a wasteful number, since it uses less digits than its factorization.

2019163047820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100958152400 (or 100958152398 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 43.

The spelling of 2019163047820 in words is "two trillion, nineteen billion, one hundred sixty-three million, forty-seven thousand, eight hundred twenty".