20798964 has 24 divisors (see below), whose sum is σ = 53923520. Its totient is φ = 6932952.

The previous prime is 20798959. The next prime is 20798989. The reversal of 20798964 is 46989702.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96184 + ... + 96399.

Almost surely, 2^20798964 is an apocalyptic number.

It is an amenable number.

20798964 is an abundant number, since it is smaller than the sum of its proper divisors (33124556).

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

20798964 is a wasteful number, since it uses less digits than its factorization.

20798964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192596 (or 192588 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 20798964 is about 4560.5881199687. The cubic root of 20798964 is about 275.0092074052.

The spelling of 20798964 in words is "twenty million, seven hundred ninety-eight thousand, nine hundred sixty-four".