200321004020 has 24 divisors (see below), whose sum is σ = 421234291968. Its totient is φ = 80021700000.

The previous prime is 200321004017. The next prime is 200321004047. The reversal of 200321004020 is 20400123002.

It is a junction number, because it is equal to n+sod(n) for n = 200321003986 and 200321004004.

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, 6653456 + ... + 6683495.

It is an arithmetic number, because the mean of its divisors is an integer number (17551428832).

Almost surely, 2^200321004020 is an apocalyptic number.

200321004020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200321004020 is an abundant number, since it is smaller than the sum of its proper divisors (220913287948).

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

200321004020 is a wasteful number, since it uses less digits than its factorization.

200321004020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13337711 (or 13337709 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 200321004020 its reverse (20400123002), we get a palindrome (220721127022).

The spelling of 200321004020 in words is "two hundred billion, three hundred twenty-one million, four thousand, twenty".