20242102 has 8 divisors (see below), whose sum is σ = 30418776. Its totient is φ = 10102512.

The previous prime is 20242099. The next prime is 20242109. The reversal of 20242102 is 20124202.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20242109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7863 + ... + 10114.

It is an arithmetic number, because the mean of its divisors is an integer number (3802347).

Almost surely, 2^20242102 is an apocalyptic number.

20242102 is a deficient number, since it is larger than the sum of its proper divisors (10176674).

20242102 is a wasteful number, since it uses less digits than its factorization.

20242102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18542.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 20242102 is about 4499.1223588607. The cubic root of 20242102 is about 272.5326482219.

Adding to 20242102 its reverse (20124202), we get a palindrome (40366304).

The spelling of 20242102 in words is "twenty million, two hundred forty-two thousand, one hundred two".