20982352 has 20 divisors (see below), whose sum is σ = 43045236. Its totient is φ = 9873920.

The previous prime is 20982337. The next prime is 20982359. The reversal of 20982352 is 25328902.

It can be written as a sum of positive squares in 2 ways, for example, as 12362256 + 8620096 = 3516^2 + 2936^2 .

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20982359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38299 + ... + 38842.

Almost surely, 2^20982352 is an apocalyptic number.

It is an amenable number.

20982352 is an abundant number, since it is smaller than the sum of its proper divisors (22062884).

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

20982352 is a wasteful number, since it uses less digits than its factorization.

20982352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77166 (or 77160 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 20982352 is about 4580.6497355725. The cubic root of 20982352 is about 275.8151110675.

The spelling of 20982352 in words is "twenty million, nine hundred eighty-two thousand, three hundred fifty-two".