20200312 has 16 divisors (see below), whose sum is σ = 41319000. Its totient is φ = 9181920.

The previous prime is 20200309. The next prime is 20200337. The reversal of 20200312 is 21300202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114687 + ... + 114862.

Almost surely, 2^20200312 is an apocalyptic number.

20200312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20200312 is an abundant number, since it is smaller than the sum of its proper divisors (21118688).

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

20200312 is a wasteful number, since it uses less digits than its factorization.

20200312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229566 (or 229562 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 20200312 is about 4494.4757202593. The cubic root of 20200312 is about 272.3449703146.

Adding to 20200312 its reverse (21300202), we get a palindrome (41500514).

The spelling of 20200312 in words is "twenty million, two hundred thousand, three hundred twelve".