20325546053540 has 48 divisors (see below), whose sum is σ = 52533719035392. Its totient is φ = 6432700288896.

The previous prime is 20325546053539. The next prime is 20325546053563. The reversal of 20325546053540 is 4535064552302.

It is a junction number, because it is equal to n+sod(n) for n = 20325546053491 and 20325546053500.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5583939404 + ... + 5583943043.

It is an arithmetic number, because the mean of its divisors is an integer number (1094452479904).

Almost surely, 2^{20325546053540} is an apocalyptic number.

20325546053540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20325546053540 is an abundant number, since it is smaller than the sum of its proper divisors (32208172981852).

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

20325546053540 is a wasteful number, since it uses less digits than its factorization.

20325546053540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11167882476 (or 11167882474 counting only the distinct ones).

The product of its (nonzero) digits is 2160000, while the sum is 44.

The spelling of 20325546053540 in words is "twenty trillion, three hundred twenty-five billion, five hundred forty-six million, fifty-three thousand, five hundred forty".