200820846842 has 32 divisors (see below), whose sum is σ = 375626830464. Its totient is φ = 78228187200.

The previous prime is 200820846839. The next prime is 200820846857. The reversal of 200820846842 is 248648028002.

It is a junction number, because it is equal to n+sod(n) for n = 200820846793 and 200820846802.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 791348 + ... + 1013840.

It is an arithmetic number, because the mean of its divisors is an integer number (11738338452).

Almost surely, 2^200820846842 is an apocalyptic number.

200820846842 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

200820846842 is a deficient number, since it is larger than the sum of its proper divisors (174805983622).

200820846842 is a wasteful number, since it uses less digits than its factorization.

200820846842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228374.

The product of its (nonzero) digits is 393216, while the sum is 44.

The spelling of 200820846842 in words is "two hundred billion, eight hundred twenty million, eight hundred forty-six thousand, eight hundred forty-two".