20027617445080 has 128 divisors (see below), whose sum is σ = 51608867472000. Its totient is φ = 6852056371200.

The previous prime is 20027617445041. The next prime is 20027617445081. The reversal of 20027617445080 is 8054471672002.

It is a super-2 number, since 2×20027617445080² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20027617445080.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20027617445081) 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 31 ways as a sum of consecutive naturals, for example, 257382180 + ... + 257459980.

It is an arithmetic number, because the mean of its divisors is an integer number (403194277125).

Almost surely, 2^{20027617445080} is an apocalyptic number.

20027617445080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20027617445080 is an abundant number, since it is smaller than the sum of its proper divisors (31581250026920).

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

20027617445080 is a wasteful number, since it uses less digits than its factorization.

20027617445080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79757 (or 79753 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 46.

The spelling of 20027617445080 in words is "twenty trillion, twenty-seven billion, six hundred seventeen million, four hundred forty-five thousand, eighty".