20249102 has 8 divisors (see below), whose sum is σ = 30715200. Its totient is φ = 10010704.

The previous prime is 20249083. The next prime is 20249111. The reversal of 20249102 is 20194202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×20249102² = 820052263612808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 56702 + ... + 57057.

It is an arithmetic number, because the mean of its divisors is an integer number (3839400).

Almost surely, 2^20249102 is an apocalyptic number.

20249102 is a deficient number, since it is larger than the sum of its proper divisors (10466098).

20249102 is a wasteful number, since it uses less digits than its factorization.

20249102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113850.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 20249102 is about 4499.9002211160. The cubic root of 20249102 is about 272.5640597929.

The spelling of 20249102 in words is "twenty million, two hundred forty-nine thousand, one hundred two".