20203982 has 8 divisors (see below), whose sum is σ = 31623696. Its totient is φ = 9662752.

The previous prime is 20203969. The next prime is 20204003. The reversal of 20203982 is 28930202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219563 + ... + 219654.

It is an arithmetic number, because the mean of its divisors is an integer number (3952962).

Almost surely, 2^20203982 is an apocalyptic number.

20203982 is a deficient number, since it is larger than the sum of its proper divisors (11419714).

20203982 is a wasteful number, since it uses less digits than its factorization.

20203982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439242.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 20203982 is about 4494.8839807052. The cubic root of 20203982 is about 272.3614625601.

The spelling of 20203982 in words is "twenty million, two hundred three thousand, nine hundred eighty-two".