20190748 has 12 divisors (see below), whose sum is σ = 35380800. Its totient is φ = 10081952.

The previous prime is 20190743. The next prime is 20190763. The reversal of 20190748 is 84709102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20190743) 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, 528 + ... + 6376.

It is an arithmetic number, because the mean of its divisors is an integer number (2948400).

Almost surely, 2^20190748 is an apocalyptic number.

It is an amenable number.

20190748 is a deficient number, since it is larger than the sum of its proper divisors (15190052).

20190748 is a wasteful number, since it uses less digits than its factorization.

20190748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6716 (or 6714 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 20190748 is about 4493.4116214743. The cubic root of 20190748 is about 272.3019822248.

The spelling of 20190748 in words is "twenty million, one hundred ninety thousand, seven hundred forty-eight".