20244343102 has 4 divisors (see below), whose sum is σ = 30366514656. Its totient is φ = 10122171550.

The previous prime is 20244343043. The next prime is 20244343151. The reversal of 20244343102 is 20134344202.

It is a happy number.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5061085774 + ... + 5061085777.

It is an arithmetic number, because the mean of its divisors is an integer number (7591628664).

Almost surely, 2^20244343102 is an apocalyptic number.

20244343102 is a deficient number, since it is larger than the sum of its proper divisors (10122171554).

20244343102 is a wasteful number, since it uses less digits than its factorization.

20244343102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10122171553.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 20244343102 its reverse (20134344202), we get a palindrome (40378687304).

The spelling of 20244343102 in words is "twenty billion, two hundred forty-four million, three hundred forty-three thousand, one hundred two".