20736905214 has 16 divisors (see below), whose sum is σ = 41491286928. Its totient is φ = 6909388992.

The previous prime is 20736905143. The next prime is 20736905219. The reversal of 20736905214 is 41250963702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20736905219) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 712737 + ... + 741260.

It is an arithmetic number, because the mean of its divisors is an integer number (2593205433).

Almost surely, 2^20736905214 is an apocalyptic number.

20736905214 is an abundant number, since it is smaller than the sum of its proper divisors (20754381714).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20736905214 is a wasteful number, since it uses less digits than its factorization.

20736905214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1456379.

The product of its (nonzero) digits is 90720, while the sum is 39.

The spelling of 20736905214 in words is "twenty billion, seven hundred thirty-six million, nine hundred five thousand, two hundred fourteen".