200320032020 has 96 divisors (see below), whose sum is σ = 451671292800. Its totient is φ = 74399883264.

The previous prime is 200320032013. The next prime is 200320032023. The reversal of 200320032020 is 20230023002.

It is a junction number, because it is equal to n+sod(n) for n = 200320031986 and 200320032004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200320032023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7542284 + ... + 7568796.

It is an arithmetic number, because the mean of its divisors is an integer number (4704909300).

Almost surely, 2^200320032020 is an apocalyptic number.

200320032020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200320032020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225835646400).

200320032020 is an abundant number, since it is smaller than the sum of its proper divisors (251351260780).

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

200320032020 is a wasteful number, since it uses less digits than its factorization.

200320032020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26937 (or 26935 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 14.

Adding to 200320032020 its reverse (20230023002), we get a palindrome (220550055022).

The spelling of 200320032020 in words is "two hundred billion, three hundred twenty million, thirty-two thousand, twenty".