20340554716 has 12 divisors (see below), whose sum is σ = 35598204432. Its totient is φ = 10169639168.

The previous prime is 20340554713. The next prime is 20340554749. The reversal of 20340554716 is 61745504302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20340554713) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 83845 + ... + 218428.

It is an arithmetic number, because the mean of its divisors is an integer number (2966517036).

Almost surely, 2^20340554716 is an apocalyptic number.

It is an amenable number.

20340554716 is a deficient number, since it is larger than the sum of its proper divisors (15257649716).

20340554716 is a wasteful number, since it uses less digits than its factorization.

20340554716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319100 (or 319098 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 37.

It can be divided in two parts, 203405 and 54716, that added together give a triangular number (258121 = T₇₁₈).

The spelling of 20340554716 in words is "twenty billion, three hundred forty million, five hundred fifty-four thousand, seven hundred sixteen".