20335382 has 8 divisors (see below), whose sum is σ = 30622536. Its totient is φ = 10127872.

The previous prime is 20335379. The next prime is 20335397. The reversal of 20335382 is 28353302.

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

It is a super-2 number, since 2×20335382² = 827055522171848, 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 in 3 ways as a sum of consecutive naturals, for example, 19268 + ... + 20295.

It is an arithmetic number, because the mean of its divisors is an integer number (3827817).

Almost surely, 2^20335382 is an apocalyptic number.

20335382 is a deficient number, since it is larger than the sum of its proper divisors (10287154).

20335382 is a wasteful number, since it uses less digits than its factorization.

20335382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39822.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 20335382 is about 4509.4769097979. The cubic root of 20335382 is about 272.9506366847.

Adding to 20335382 its reverse (28353302), we get a palindrome (48688684).

The spelling of 20335382 in words is "twenty million, three hundred thirty-five thousand, three hundred eighty-two".