20441684206 has 4 divisors (see below), whose sum is σ = 30662526312. Its totient is φ = 10220842102.

The previous prime is 20441684203. The next prime is 20441684231. The reversal of 20441684206 is 60248614402.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20441684203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5110421050 + ... + 5110421053.

It is an arithmetic number, because the mean of its divisors is an integer number (7665631578).

Almost surely, 2^20441684206 is an apocalyptic number.

20441684206 is a deficient number, since it is larger than the sum of its proper divisors (10220842106).

20441684206 is a wasteful number, since it uses less digits than its factorization.

20441684206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10220842105.

The product of its (nonzero) digits is 73728, while the sum is 37.

The spelling of 20441684206 in words is "twenty billion, four hundred forty-one million, six hundred eighty-four thousand, two hundred six".