19948341635580 has 24 divisors (see below), whose sum is σ = 55855356579792. Its totient is φ = 5319557769472.

The previous prime is 19948341635569. The next prime is 19948341635683. The reversal of 19948341635580 is 8553614384991.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166236180237 + ... + 166236180356.

It is an arithmetic number, because the mean of its divisors is an integer number (2327306524158).

Almost surely, 2^{19948341635580} is an apocalyptic number.

19948341635580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19948341635580 is an abundant number, since it is smaller than the sum of its proper divisors (35907014944212).

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

19948341635580 is a wasteful number, since it uses less digits than its factorization.

19948341635580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332472360605 (or 332472360603 counting only the distinct ones).

The product of its (nonzero) digits is 111974400, while the sum is 66.

The spelling of 19948341635580 in words is "nineteen trillion, nine hundred forty-eight billion, three hundred forty-one million, six hundred thirty-five thousand, five hundred eighty".