20182148764 has 24 divisors (see below), whose sum is σ = 37284831360. Its totient is φ = 9532402416.

The previous prime is 20182148747. The next prime is 20182148773. The reversal of 20182148764 is 46784128102.

It is a self number, because there is not a number n which added to its sum of digits gives 20182148764.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 356272 + ... + 409015.

It is an arithmetic number, because the mean of its divisors is an integer number (1553534640).

Almost surely, 2^20182148764 is an apocalyptic number.

It is an amenable number.

20182148764 is a deficient number, since it is larger than the sum of its proper divisors (17102682596).

20182148764 is a wasteful number, since it uses less digits than its factorization.

20182148764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765657 (or 765655 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 43.

The spelling of 20182148764 in words is "twenty billion, one hundred eighty-two million, one hundred forty-eight thousand, seven hundred sixty-four".