20236382 has 4 divisors (see below), whose sum is σ = 30354576. Its totient is φ = 10118190.

The previous prime is 20236361. The next prime is 20236423. The reversal of 20236382 is 28363202.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×20236382² = 819022312899848, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5059094 + ... + 5059097.

It is an arithmetic number, because the mean of its divisors is an integer number (7588644).

Almost surely, 2^20236382 is an apocalyptic number.

20236382 is a deficient number, since it is larger than the sum of its proper divisors (10118194).

20236382 is a wasteful number, since it uses less digits than its factorization.

20236382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10118193.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 20236382 is about 4498.4866344138. The cubic root of 20236382 is about 272.5069751041.

Adding to 20236382 its reverse (28363202), we get a palindrome (48599584).

The spelling of 20236382 in words is "twenty million, two hundred thirty-six thousand, three hundred eighty-two".