1995152940120 has 256 divisors, whose sum is σ = 6371418009600. Its totient is φ = 498381811200.

The previous prime is 1995152940037. The next prime is 1995152940167. The reversal of 1995152940120 is 210492515991.

It is a happy number.

It is a super-2 number, since 2×1995152940120² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1995152940120.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 133438645 + ... + 133453595.

It is an arithmetic number, because the mean of its divisors is an integer number (24888351600).

Almost surely, 2^{1995152940120} is an apocalyptic number.

1995152940120 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 1995152940120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3185709004800).

1995152940120 is an abundant number, since it is smaller than the sum of its proper divisors (4376265069480).

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

1995152940120 is a wasteful number, since it uses less digits than its factorization.

1995152940120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15638 (or 15634 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 48.

The spelling of 1995152940120 in words is "one trillion, nine hundred ninety-five billion, one hundred fifty-two million, nine hundred forty thousand, one hundred twenty".