20203371 has 8 divisors (see below), whose sum is σ = 29930960. Its totient is φ = 13468896.

The previous prime is 20203349. The next prime is 20203399. The reversal of 20203371 is 17330202.

It is not a de Polignac number, because 20203371 - 2⁶ = 20203307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20203301) 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 7 ways as a sum of consecutive naturals, for example, 374110 + ... + 374163.

It is an arithmetic number, because the mean of its divisors is an integer number (3741370).

Almost surely, 2^20203371 is an apocalyptic number.

20203371 is a deficient number, since it is larger than the sum of its proper divisors (9727589).

20203371 is an equidigital number, since it uses as much as digits as its factorization.

20203371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748282 (or 748276 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 20203371 is about 4494.8160140322. The cubic root of 20203371 is about 272.3587169870.

Adding to 20203371 its reverse (17330202), we get a palindrome (37533573).

The spelling of 20203371 in words is "twenty million, two hundred three thousand, three hundred seventy-one".