20040098 has 32 divisors (see below), whose sum is σ = 34473600. Its totient is φ = 8660736.

The previous prime is 20040071. The next prime is 20040133. The reversal of 20040098 is 89004002.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55643 + ... + 56001.

It is an arithmetic number, because the mean of its divisors is an integer number (1077300).

Almost surely, 2^20040098 is an apocalyptic number.

20040098 is a deficient number, since it is larger than the sum of its proper divisors (14433502).

20040098 is a wasteful number, since it uses less digits than its factorization.

20040098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 20040098 is about 4476.6168028993. The cubic root of 20040098 is about 271.6230450910.

The spelling of 20040098 in words is "twenty million, forty thousand, ninety-eight".