20098892 has 24 divisors (see below), whose sum is σ = 39191040. Its totient is φ = 8940560.

The previous prime is 20098891. The next prime is 20098907. The reversal of 20098892 is 29889002.

It is not an unprimeable number, because it can be changed into a prime (20098891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2792 + ... + 6927.

It is an arithmetic number, because the mean of its divisors is an integer number (1632960).

Almost surely, 2^20098892 is an apocalyptic number.

20098892 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20098892 is a deficient number, since it is larger than the sum of its proper divisors (19092148).

20098892 is a wasteful number, since it uses less digits than its factorization.

20098892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9781 (or 9779 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 20098892 is about 4483.1787829619. The cubic root of 20098892 is about 271.8884166013. Note that the first 3 decimals are identical.

It can be divided in two parts, 2009 and 8892, that added together give a palindrome (10901).

The spelling of 20098892 in words is "twenty million, ninety-eight thousand, eight hundred ninety-two".