20774120006 has 4 divisors (see below), whose sum is σ = 31161180012. Its totient is φ = 10387060002.

The previous prime is 20774119981. The next prime is 20774120023. The reversal of 20774120006 is 60002147702.

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 (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5193530000 + ... + 5193530003.

It is an arithmetic number, because the mean of its divisors is an integer number (7790295003).

Almost surely, 2^20774120006 is an apocalyptic number.

20774120006 is a deficient number, since it is larger than the sum of its proper divisors (10387060006).

20774120006 is a wasteful number, since it uses less digits than its factorization.

20774120006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10387060005.

The product of its (nonzero) digits is 4704, while the sum is 29.

Adding to 20774120006 its reverse (60002147702), we get a palindrome (80776267708).

The spelling of 20774120006 in words is "twenty billion, seven hundred seventy-four million, one hundred twenty thousand, six".