20967036 has 48 divisors (see below), whose sum is σ = 50964480. Its totient is φ = 6701760.

The previous prime is 20966993. The next prime is 20967041. The reversal of 20967036 is 63076902.

It is a junction number, because it is equal to n+sod(n) for n = 20966988 and 20967006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58225 + ... + 58583.

It is an arithmetic number, because the mean of its divisors is an integer number (1061760).

Almost surely, 2^20967036 is an apocalyptic number.

It is an amenable number.

20967036 is an abundant number, since it is smaller than the sum of its proper divisors (29997444).

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

20967036 is a wasteful number, since it uses less digits than its factorization.

20967036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554 (or 552 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 33.

The square root of 20967036 is about 4578.9776151451. The cubic root of 20967036 is about 275.7479846158.

The spelling of 20967036 in words is "twenty million, nine hundred sixty-seven thousand, thirty-six".