20053982 has 32 divisors (see below), whose sum is σ = 34927200. Its totient is φ = 8552448.

The previous prime is 20053951. The next prime is 20053991. The reversal of 20053982 is 28935002.

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, 25694 + ... + 26462.

It is an arithmetic number, because the mean of its divisors is an integer number (1091475).

Almost surely, 2^20053982 is an apocalyptic number.

20053982 is a deficient number, since it is larger than the sum of its proper divisors (14873218).

20053982 is a wasteful number, since it uses less digits than its factorization.

20053982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 20053982 is about 4478.1672590469. The cubic root of 20053982 is about 271.6857584201.

Adding to 20053982 its reverse (28935002), we get a palindrome (48988984).

The spelling of 20053982 in words is "twenty million, fifty-three thousand, nine hundred eighty-two".