20103888 has 40 divisors (see below), whose sum is σ = 59355328. Its totient is φ = 5743872.

The previous prime is 20103871. The next prime is 20103917. The reversal of 20103888 is 88830102.

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, 29581 + ... + 30252.

Almost surely, 2^20103888 is an apocalyptic number.

20103888 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20103888 is an abundant number, since it is smaller than the sum of its proper divisors (39251440).

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

20103888 is a wasteful number, since it uses less digits than its factorization.

20103888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59851 (or 59845 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 20103888 is about 4483.7359422696. The cubic root of 20103888 is about 271.9109425859.

The spelling of 20103888 in words is "twenty million, one hundred three thousand, eight hundred eighty-eight".