201845358420 has 24 divisors (see below), whose sum is σ = 565167003744. Its totient is φ = 53825428896.

The previous prime is 201845358419. The next prime is 201845358467. The reversal of 201845358420 is 24853548102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1682044594 + ... + 1682044713.

It is an arithmetic number, because the mean of its divisors is an integer number (23548625156).

Almost surely, 2^201845358420 is an apocalyptic number.

201845358420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201845358420 is an abundant number, since it is smaller than the sum of its proper divisors (363321645324).

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

201845358420 is a wasteful number, since it uses less digits than its factorization.

201845358420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3364089319 (or 3364089317 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 42.

The spelling of 201845358420 in words is "two hundred one billion, eight hundred forty-five million, three hundred fifty-eight thousand, four hundred twenty".