20098912 has 24 divisors (see below), whose sum is σ = 40848192. Its totient is φ = 9724800.

The previous prime is 20098909. The next prime is 20098927. The reversal of 20098912 is 21989002.

It is a Harshad number since it is a multiple of its sum of digits (31).

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, 9139 + ... + 11122.

It is an arithmetic number, because the mean of its divisors is an integer number (1702008).

Almost surely, 2^20098912 is an apocalyptic number.

It is an amenable number.

20098912 is an abundant number, since it is smaller than the sum of its proper divisors (20749280).

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

20098912 is a wasteful number, since it uses less digits than its factorization.

20098912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20302 (or 20294 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 20098912 is about 4483.1810135215. The cubic root of 20098912 is about 271.8885067848. Note that the first 3 decimals are identical.

The spelling of 20098912 in words is "twenty million, ninety-eight thousand, nine hundred twelve".