20099246 has 4 divisors (see below), whose sum is σ = 30148872. Its totient is φ = 10049622.

The previous prime is 20099231. The next prime is 20099267. The reversal of 20099246 is 64299002.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5024810 + ... + 5024813.

It is an arithmetic number, because the mean of its divisors is an integer number (7537218).

Almost surely, 2^20099246 is an apocalyptic number.

20099246 is a deficient number, since it is larger than the sum of its proper divisors (10049626).

20099246 is a wasteful number, since it uses less digits than its factorization.

20099246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10049625.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 20099246 is about 4483.2182637030. The cubic root of 20099246 is about 271.8900128408.

The spelling of 20099246 in words is "twenty million, ninety-nine thousand, two hundred forty-six".