20134908645180 has 192 divisors, whose sum is σ = 69050197923840. Its totient is φ = 4283188816896.

The previous prime is 20134908645179. The next prime is 20134908645197. The reversal of 20134908645180 is 8154680943102.

It is a super-2 number, since 2×20134908645180² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 27809595 + ... + 28524434.

It is an arithmetic number, because the mean of its divisors is an integer number (359636447520).

Almost surely, 2^{20134908645180} is an apocalyptic number.

20134908645180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20134908645180 is an abundant number, since it is smaller than the sum of its proper divisors (48915289278660).

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

20134908645180 is a wasteful number, since it uses less digits than its factorization.

20134908645180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56334108 (or 56334106 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 51.

The spelling of 20134908645180 in words is "twenty trillion, one hundred thirty-four billion, nine hundred eight million, six hundred forty-five thousand, one hundred eighty".