20740680214 has 4 divisors (see below), whose sum is σ = 31111020324. Its totient is φ = 10370340106.

The previous prime is 20740680199. The next prime is 20740680223. The reversal of 20740680214 is 41208604702.

It is a happy number.

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

It is a super-2 number, since 2×20740680214² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20740680214.

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, 5185170052 + ... + 5185170055.

It is an arithmetic number, because the mean of its divisors is an integer number (7777755081).

Almost surely, 2^20740680214 is an apocalyptic number.

20740680214 is a deficient number, since it is larger than the sum of its proper divisors (10370340110).

20740680214 is a wasteful number, since it uses less digits than its factorization.

20740680214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10370340109.

The product of its (nonzero) digits is 21504, while the sum is 34.

The spelling of 20740680214 in words is "twenty billion, seven hundred forty million, six hundred eighty thousand, two hundred fourteen".