2082197850420 has 48 divisors (see below), whose sum is σ = 5838377166720. Its totient is φ = 554469599616.

The previous prime is 2082197850373. The next prime is 2082197850427. The reversal of 2082197850420 is 240587912802.

It is a self number, because there is not a number n which added to its sum of digits gives 2082197850420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2082197850427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24430872 + ... + 24515951.

It is an arithmetic number, because the mean of its divisors is an integer number (121632857640).

Almost surely, 2^{2082197850420} is an apocalyptic number.

2082197850420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2082197850420 is an abundant number, since it is smaller than the sum of its proper divisors (3756179316300).

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

2082197850420 is a wasteful number, since it uses less digits than its factorization.

2082197850420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48947544 (or 48947542 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 48.

The spelling of 2082197850420 in words is "two trillion, eighty-two billion, one hundred ninety-seven million, eight hundred fifty thousand, four hundred twenty".