20190488 has 16 divisors (see below), whose sum is σ = 37950000. Its totient is φ = 10070496.

The previous prime is 20190487. The next prime is 20190523. The reversal of 20190488 is 88409102.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20190487) 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, 638 + ... + 6386.

It is an arithmetic number, because the mean of its divisors is an integer number (2371875).

Almost surely, 2^20190488 is an apocalyptic number.

It is an amenable number.

20190488 is a deficient number, since it is larger than the sum of its proper divisors (17759512).

20190488 is a wasteful number, since it uses less digits than its factorization.

20190488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6194 (or 6190 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 20190488 is about 4493.3826901345. The cubic root of 20190488 is about 272.3008133921.

The spelling of 20190488 in words is "twenty million, one hundred ninety thousand, four hundred eighty-eight".