20031352 has 16 divisors (see below), whose sum is σ = 40973400. Its totient is φ = 9105120.

The previous prime is 20031343. The next prime is 20031359. The reversal of 20031352 is 25313002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20031359) by changing a digit.

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, 113727 + ... + 113902.

Almost surely, 2^20031352 is an apocalyptic number.

20031352 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20031352 is an abundant number, since it is smaller than the sum of its proper divisors (20942048).

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

20031352 is a wasteful number, since it uses less digits than its factorization.

20031352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227646 (or 227642 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 20031352 is about 4475.6398425253. The cubic root of 20031352 is about 271.5835249777.

Adding to 20031352 its reverse (25313002), we get a palindrome (45344354).

The spelling of 20031352 in words is "twenty million, thirty-one thousand, three hundred fifty-two".