20200331320 has 64 divisors (see below), whose sum is σ = 48969839520. Its totient is φ = 7455097344.

The previous prime is 20200331293. The next prime is 20200331357. The reversal of 20200331320 is 2313300202.

It is a junction number, because it is equal to n+sod(n) for n = 20200331294 and 20200331303.

It is a congruent number.

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, 1280199 + ... + 1295881.

Almost surely, 2^20200331320 is an apocalyptic number.

20200331320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20200331320 is an abundant number, since it is smaller than the sum of its proper divisors (28769508200).

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

20200331320 is a wasteful number, since it uses less digits than its factorization.

20200331320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18184 (or 18180 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 20200331320 its reverse (2313300202), we get a palindrome (22513631522).

The spelling of 20200331320 in words is "twenty billion, two hundred million, three hundred thirty-one thousand, three hundred twenty".