20047102 has 8 divisors (see below), whose sum is σ = 30178512. Its totient is φ = 9987600.

The previous prime is 20047037. The next prime is 20047121. The reversal of 20047102 is 20174002.

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

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, 17274 + ... + 18397.

It is an arithmetic number, because the mean of its divisors is an integer number (3772314).

Almost surely, 2^20047102 is an apocalyptic number.

20047102 is a deficient number, since it is larger than the sum of its proper divisors (10131410).

20047102 is a wasteful number, since it uses less digits than its factorization.

20047102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35954.

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 20047102 is about 4477.3990217536. The cubic root of 20047102 is about 271.6546854256.

The spelling of 20047102 in words is "twenty million, forty-seven thousand, one hundred two".