19820202393 has 32 divisors (see below), whose sum is σ = 28000000000. Its totient is φ = 12436250112.

The previous prime is 19820202383. The next prime is 19820202397. The reversal of 19820202393 is 39320202891.

It is not a de Polignac number, because 19820202393 - 2²⁰ = 19819153817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19820202397) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14166708 + ... + 14168106.

It is an arithmetic number, because the mean of its divisors is an integer number (875000000).

Almost surely, 2^19820202393 is an apocalyptic number.

It is an amenable number.

19820202393 is a deficient number, since it is larger than the sum of its proper divisors (8179797607).

19820202393 is a wasteful number, since it uses less digits than its factorization.

19820202393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2869.

The product of its (nonzero) digits is 46656, while the sum is 39.

The spelling of 19820202393 in words is "nineteen billion, eight hundred twenty million, two hundred two thousand, three hundred ninety-three".