20967124 has 12 divisors (see below), whose sum is σ = 36766548. Its totient is φ = 10462400.

The previous prime is 20967109. The next prime is 20967139. The reversal of 20967124 is 42176902.

It is an interprime number because it is at equal distance from previous prime (20967109) and next prime (20967139).

It can be written as a sum of positive squares in 2 ways, for example, as 8940100 + 12027024 = 2990^2 + 3468^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2947 + ... + 7114.

It is an arithmetic number, because the mean of its divisors is an integer number (3063879).

Almost surely, 2^20967124 is an apocalyptic number.

It is an amenable number.

20967124 is a deficient number, since it is larger than the sum of its proper divisors (15799424).

20967124 is a wasteful number, since it uses less digits than its factorization.

20967124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10586 (or 10584 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 20967124 is about 4578.9872242670. The cubic root of 20967124 is about 275.7483703926.

The spelling of 20967124 in words is "twenty million, nine hundred sixty-seven thousand, one hundred twenty-four".