20380576554375 has 160 divisors (see below), whose sum is σ = 37238764780800. Its totient is φ = 9865599744000.

The previous prime is 20380576554319. The next prime is 20380576554391. The reversal of 20380576554375 is 57345567508302.

It is not a de Polignac number, because 20380576554375 - 2⁶ = 20380576554311 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 794025292 + ... + 794050958.

It is an arithmetic number, because the mean of its divisors is an integer number (232742279880).

Almost surely, 2^{20380576554375} is an apocalyptic number.

20380576554375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20380576554375 is a deficient number, since it is larger than the sum of its proper divisors (16858188226425).

20380576554375 is a wasteful number, since it uses less digits than its factorization.

20380576554375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26595 (or 26580 counting only the distinct ones).

The product of its (nonzero) digits is 105840000, while the sum is 60.

The spelling of 20380576554375 in words is "twenty trillion, three hundred eighty billion, five hundred seventy-six million, five hundred fifty-four thousand, three hundred seventy-five".