20982254694 has 32 divisors (see below), whose sum is σ = 43358540544. Its totient is φ = 6765464160.

The previous prime is 20982254693. The next prime is 20982254753. The reversal of 20982254694 is 49645228902.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20982254693) 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 15 ways as a sum of consecutive naturals, for example, 442084 + ... + 487239.

It is an arithmetic number, because the mean of its divisors is an integer number (1354954392).

Almost surely, 2^20982254694 is an apocalyptic number.

20982254694 is an abundant number, since it is smaller than the sum of its proper divisors (22376285850).

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

20982254694 is a wasteful number, since it uses less digits than its factorization.

20982254694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929452.

The product of its (nonzero) digits is 2488320, while the sum is 51.

The spelling of 20982254694 in words is "twenty billion, nine hundred eighty-two million, two hundred fifty-four thousand, six hundred ninety-four".