199702042272720 has 240 divisors, whose sum is σ = 722753532813312. Its totient is φ = 49123544140800.

The previous prime is 199702042272659. The next prime is 199702042272739. The reversal of 199702042272720 is 27272240207991.

199702042272720 is a `hidden beast` number, since 1 + 99 + 70 + 20 + 422 + 7 + 27 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6229297 + ... + 20933423.

Almost surely, 2^{199702042272720} is an apocalyptic number.

199702042272720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 199702042272720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (361376766406656).

199702042272720 is an abundant number, since it is smaller than the sum of its proper divisors (523051490540592).

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

199702042272720 is a wasteful number, since it uses less digits than its factorization.

199702042272720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14705610 (or 14705601 counting only the distinct ones).

The product of its (nonzero) digits is 3556224, while the sum is 54.

The spelling of 199702042272720 in words is "one hundred ninety-nine trillion, seven hundred two billion, forty-two million, two hundred seventy-two thousand, seven hundred twenty".