20853048 has 16 divisors (see below), whose sum is σ = 52132680. Its totient is φ = 6951008.

The previous prime is 20853047. The next prime is 20853061. The reversal of 20853048 is 84035802.

It is a super-2 number, since 2×20853048² = 869699221780608, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20853043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 434415 + ... + 434462.

Almost surely, 2^20853048 is an apocalyptic number.

It is an amenable number.

20853048 is an abundant number, since it is smaller than the sum of its proper divisors (31279632).

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

20853048 is a wasteful number, since it uses less digits than its factorization.

20853048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868886 (or 868882 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 20853048 is about 4566.5137687299. The cubic root of 20853048 is about 275.2473719041.

The spelling of 20853048 in words is "twenty million, eight hundred fifty-three thousand, forty-eight".