19042338520020 has 48 divisors (see below), whose sum is σ = 55636745592960. Its totient is φ = 4857176201856.

The previous prime is 19042338520019. The next prime is 19042338520031. The reversal of 19042338520020 is 2002583324091.

It is a super-2 number, since 2×19042338520020² (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 (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6899396635 + ... + 6899399394.

It is an arithmetic number, because the mean of its divisors is an integer number (1159098866520).

Almost surely, 2^{19042338520020} is an apocalyptic number.

19042338520020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19042338520020 is an abundant number, since it is smaller than the sum of its proper divisors (36594407072940).

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

19042338520020 is a wasteful number, since it uses less digits than its factorization.

19042338520020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13798796064 (or 13798796062 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The spelling of 19042338520020 in words is "nineteen trillion, forty-two billion, three hundred thirty-eight million, five hundred twenty thousand, twenty".