1820002018373 has 8 divisors (see below), whose sum is σ = 2269093425600. Its totient is φ = 1418183390880.

The previous prime is 1820002018327. The next prime is 1820002018379. The reversal of 1820002018373 is 3738102000281.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1820002018373 - 2²⁰ = 1820000969797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1820002018379) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11818194848 + ... + 11818195001.

It is an arithmetic number, because the mean of its divisors is an integer number (283636678200).

Almost surely, 2^{1820002018373} is an apocalyptic number.

It is an amenable number.

1820002018373 is a deficient number, since it is larger than the sum of its proper divisors (449091407227).

1820002018373 is a wasteful number, since it uses less digits than its factorization.

1820002018373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23636389867.

The product of its (nonzero) digits is 16128, while the sum is 35.

The spelling of 1820002018373 in words is "one trillion, eight hundred twenty billion, two million, eighteen thousand, three hundred seventy-three".