20967037 has 16 divisors (see below), whose sum is σ = 26046720. Its totient is φ = 16434432.

The previous prime is 20966993. The next prime is 20967041. The reversal of 20967037 is 73076902.

It is not a de Polignac number, because 20967037 - 2¹¹ = 20964989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20966993 and 20967011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20967337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9264 + ... + 11302.

It is an arithmetic number, because the mean of its divisors is an integer number (1627920).

Almost surely, 2^20967037 is an apocalyptic number.

It is an amenable number.

20967037 is a deficient number, since it is larger than the sum of its proper divisors (5079683).

20967037 is a wasteful number, since it uses less digits than its factorization.

20967037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2172.

The product of its (nonzero) digits is 15876, while the sum is 34.

The square root of 20967037 is about 4578.9777243398. The cubic root of 20967037 is about 275.7479889996.

The spelling of 20967037 in words is "twenty million, nine hundred sixty-seven thousand, thirty-seven".