19220532782472 has 128 divisors (see below), whose sum is σ = 62017852627200. Its totient is φ = 5401554854400.

The previous prime is 19220532782467. The next prime is 19220532782491. The reversal of 19220532782472 is 27428723502291.

19220532782472 is a `hidden beast` number, since 1 + 9 + 2 + 20 + 53 + 27 + 82 + 472 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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 31 ways as a sum of consecutive naturals, for example, 104104429 + ... + 104288892.

It is an arithmetic number, because the mean of its divisors is an integer number (484514473650).

Almost surely, 2^{19220532782472} is an apocalyptic number.

19220532782472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19220532782472 is an abundant number, since it is smaller than the sum of its proper divisors (42797319844728).

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

19220532782472 is a wasteful number, since it uses less digits than its factorization.

19220532782472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208393404 (or 208393394 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 54.

The spelling of 19220532782472 in words is "nineteen trillion, two hundred twenty billion, five hundred thirty-two million, seven hundred eighty-two thousand, four hundred seventy-two".