20212384 has 24 divisors (see below), whose sum is σ = 40013568. Its totient is φ = 10050240.

The previous prime is 20212373. The next prime is 20212393. The reversal of 20212384 is 48321202.

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, 4459 + ... + 7765.

It is an arithmetic number, because the mean of its divisors is an integer number (1667232).

Almost surely, 2^20212384 is an apocalyptic number.

It is an amenable number.

20212384 is a deficient number, since it is larger than the sum of its proper divisors (19801184).

20212384 is a wasteful number, since it uses less digits than its factorization.

20212384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3508 (or 3500 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 20212384 is about 4495.8185016746. The cubic root of 20212384 is about 272.3992119481.

Adding to 20212384 its reverse (48321202), we get a palindrome (68533586).

The spelling of 20212384 in words is "twenty million, two hundred twelve thousand, three hundred eighty-four".