20353974375360 has 448 divisors, whose sum is σ = 67451855708160. Its totient is φ = 5194432266240.

The previous prime is 20353974375271. The next prime is 20353974375379. The reversal of 20353974375360 is 6357347935302.

It is a self number, because there is not a number n which added to its sum of digits gives 20353974375360.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 979063846 + ... + 979084634.

It is an arithmetic number, because the mean of its divisors is an integer number (150562177920).

Almost surely, 2^{20353974375360} is an apocalyptic number.

20353974375360 is a gapful number since it is divisible by the number (20) 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 20353974375360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33725927854080).

20353974375360 is an abundant number, since it is smaller than the sum of its proper divisors (47097881332800).

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

20353974375360 is a wasteful number, since it uses less digits than its factorization.

20353974375360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21204 (or 21194 counting only the distinct ones).

The product of its (nonzero) digits is 42865200, while the sum is 57.

The spelling of 20353974375360 in words is "twenty trillion, three hundred fifty-three billion, nine hundred seventy-four million, three hundred seventy-five thousand, three hundred sixty".