20098814 has 4 divisors (see below), whose sum is σ = 30148224. Its totient is φ = 10049406.

The previous prime is 20098753. The next prime is 20098817. The reversal of 20098814 is 41889002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20098817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5024702 + ... + 5024705.

It is an arithmetic number, because the mean of its divisors is an integer number (7537056).

Almost surely, 2^20098814 is an apocalyptic number.

20098814 is a deficient number, since it is larger than the sum of its proper divisors (10049410).

20098814 is a wasteful number, since it uses less digits than its factorization.

20098814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10049409.

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 20098814 is about 4483.1700837689. The cubic root of 20098814 is about 271.8880648850. Note that the first 3 decimals are identical.

The spelling of 20098814 in words is "twenty million, ninety-eight thousand, eight hundred fourteen".