20654382 has 48 divisors (see below), whose sum is σ = 48460032. Its totient is φ = 5851440.

The previous prime is 20654353. The next prime is 20654407. The reversal of 20654382 is 28345602.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 47707 + ... + 48137.

It is an arithmetic number, because the mean of its divisors is an integer number (1009584).

Almost surely, 2^20654382 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20654382, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24230016).

20654382 is an abundant number, since it is smaller than the sum of its proper divisors (27805650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20654382 is a wasteful number, since it uses less digits than its factorization.

20654382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613 (or 606 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 20654382 is about 4544.7092316231. The cubic root of 20654382 is about 274.3704917595.

Adding to 20654382 its reverse (28345602), we get a palindrome (48999984).

The spelling of 20654382 in words is "twenty million, six hundred fifty-four thousand, three hundred eighty-two".