20746363328 has 28 divisors (see below), whose sum is σ = 41189681400. Its totient is φ = 10367860992.

The previous prime is 20746363327. The next prime is 20746363357. The reversal of 20746363328 is 82336364702.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20746363327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44123 + ... + 208421.

It is an arithmetic number, because the mean of its divisors is an integer number (1471060050).

Almost surely, 2^20746363328 is an apocalyptic number.

It is an amenable number.

20746363328 is a deficient number, since it is larger than the sum of its proper divisors (20443318072).

20746363328 is a wasteful number, since it uses less digits than its factorization.

20746363328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166284 (or 166274 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 44.

The spelling of 20746363328 in words is "twenty billion, seven hundred forty-six million, three hundred sixty-three thousand, three hundred twenty-eight".