20195270904000 has 448 divisors, whose sum is σ = 70627724623872. Its totient is φ = 5067159552000.

The previous prime is 20195270903989. The next prime is 20195270904043. The reversal of 20195270904000 is 40907259102.

It is a self number, because there is not a number n which added to its sum of digits gives 20195270904000.

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, 2465539905 + ... + 2465548095.

Almost surely, 2^{20195270904000} is an apocalyptic number.

20195270904000 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 20195270904000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35313862311936).

20195270904000 is an abundant number, since it is smaller than the sum of its proper divisors (50432453719872).

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

20195270904000 is a wasteful number, since it uses less digits than its factorization.

20195270904000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14281 (or 14261 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 39.

The spelling of 20195270904000 in words is "twenty trillion, one hundred ninety-five billion, two hundred seventy million, nine hundred four thousand".