20859248 has 10 divisors (see below), whose sum is σ = 40414824. Its totient is φ = 10429616.

The previous prime is 20859233. The next prime is 20859253. The reversal of 20859248 is 84295802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651836 + ... + 651867.

Almost surely, 2^20859248 is an apocalyptic number.

It is an amenable number.

20859248 is a deficient number, since it is larger than the sum of its proper divisors (19555576).

20859248 is a wasteful number, since it uses less digits than its factorization.

20859248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1303711 (or 1303705 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 20859248 is about 4567.1925731241. The cubic root of 20859248 is about 275.2746479264.

The spelling of 20859248 in words is "twenty million, eight hundred fifty-nine thousand, two hundred forty-eight".