20248560 has 60 divisors (see below), whose sum is σ = 68003832. Its totient is φ = 5399424.

The previous prime is 20248559. The next prime is 20248567. The reversal of 20248560 is 6584202.

It is a tau number, because it is divible by the number of its divisors (60).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20248567) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13342 + ... + 14781.

Almost surely, 2^20248560 is an apocalyptic number.

20248560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20248560 is an abundant number, since it is smaller than the sum of its proper divisors (47755272).

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

20248560 is a wasteful number, since it uses less digits than its factorization.

20248560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28142 (or 28133 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 20248560 is about 4499.8399971555. The cubic root of 20248560 is about 272.5616278984.

The spelling of 20248560 in words is "twenty million, two hundred forty-eight thousand, five hundred sixty".