20722561077214 has 16 divisors (see below), whose sum is σ = 31674229355952. Its totient is φ = 10164532775488.

The previous prime is 20722561077191. The next prime is 20722561077233. The reversal of 20722561077214 is 41277016522702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11172439 + ... + 12894514.

It is an arithmetic number, because the mean of its divisors is an integer number (1979639334747).

Almost surely, 2^{20722561077214} is an apocalyptic number.

20722561077214 is a deficient number, since it is larger than the sum of its proper divisors (10951668278738).

20722561077214 is a wasteful number, since it uses less digits than its factorization.

20722561077214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24075131.

The product of its (nonzero) digits is 658560, while the sum is 46.

Adding to 20722561077214 its reverse (41277016522702), we get a palindrome (61999577599916).

The spelling of 20722561077214 in words is "twenty trillion, seven hundred twenty-two billion, five hundred sixty-one million, seventy-seven thousand, two hundred fourteen".