20100498 has 16 divisors (see below), whose sum is σ = 43855776. Its totient is φ = 6091040.

The previous prime is 20100497. The next prime is 20100527. The reversal of 20100498 is 89400102.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20100497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152211 + ... + 152342.

It is an arithmetic number, because the mean of its divisors is an integer number (2740986).

Almost surely, 2^20100498 is an apocalyptic number.

20100498 is an abundant number, since it is smaller than the sum of its proper divisors (23755278).

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

20100498 is a wasteful number, since it uses less digits than its factorization.

20100498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304569.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 20100498 is about 4483.3578933652. The cubic root of 20100498 is about 271.8956581475.

It can be divided in two parts, 201004 and 98, that added together give a palindrome (201102).

The spelling of 20100498 in words is "twenty million, one hundred thousand, four hundred ninety-eight".