20019110 has 8 divisors (see below), whose sum is σ = 36034416. Its totient is φ = 8007640.

The previous prime is 20019101. The next prime is 20019121. The reversal of 20019110 is 1191002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1000946 + ... + 1000965.

It is an arithmetic number, because the mean of its divisors is an integer number (4504302).

Almost surely, 2^20019110 is an apocalyptic number.

20019110 is a deficient number, since it is larger than the sum of its proper divisors (16015306).

20019110 is a wasteful number, since it uses less digits than its factorization.

20019110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2001918.

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 20019110 is about 4474.2720078243. The cubic root of 20019110 is about 271.5281883395.

It can be divided in two parts, 2001 and 9110, that added together give a palindrome (11111).

The spelling of 20019110 in words is "twenty million, nineteen thousand, one hundred ten".