20544696 has 24 divisors (see below), whose sum is σ = 55642080. Its totient is φ = 6848208.

The previous prime is 20544677. The next prime is 20544701. The reversal of 20544696 is 69644502.

20544696 is a `hidden beast` number, since 20 + 544 + 6 + 96 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-4 number, since 4×20544696⁴ (a number of 30 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 20544696.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 142600 + ... + 142743.

It is an arithmetic number, because the mean of its divisors is an integer number (2318420).

Almost surely, 2^20544696 is an apocalyptic number.

It is an amenable number.

20544696 is an abundant number, since it is smaller than the sum of its proper divisors (35097384).

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

20544696 is a wasteful number, since it uses less digits than its factorization.

20544696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285355 (or 285348 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 20544696 is about 4532.6257290890. The cubic root of 20544696 is about 273.8839439592.

The spelling of 20544696 in words is "twenty million, five hundred forty-four thousand, six hundred ninety-six".