20182665005028 has 36 divisors (see below), whose sum is σ = 51047144382780. Its totient is φ = 6723618436416.

The previous prime is 20182665005023. The next prime is 20182665005033. The reversal of 20182665005028 is 82050056628102.

It is a happy number.

20182665005028 is a `hidden beast` number, since 2 + 0 + 1 + 82 + 6 + 65 + 0 + 0 + 502 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (20182665005023) and next prime (20182665005033).

It can be written as a sum of positive squares in 2 ways, for example, as 1086831270144 + 19095833734884 = 1042512^2 + 4369878^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (20182665005021) 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 11 ways as a sum of consecutive naturals, for example, 163961175 + ... + 164084222.

It is an arithmetic number, because the mean of its divisors is an integer number (1417976232855).

Almost surely, 2^{20182665005028} is an apocalyptic number.

It is an amenable number.

20182665005028 is an abundant number, since it is smaller than the sum of its proper divisors (30864479377752).

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

20182665005028 is a wasteful number, since it uses less digits than its factorization.

20182665005028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328047116 (or 328047111 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 45.

The spelling of 20182665005028 in words is "twenty trillion, one hundred eighty-two billion, six hundred sixty-five million, five thousand, twenty-eight".