20125516161760 has 48 divisors (see below), whose sum is σ = 47546864492400. Its totient is φ = 8050150158336.

The previous prime is 20125516161703. The next prime is 20125516161827. The reversal of 20125516161760 is 6716161552102.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28395376 + ... + 29095504.

It is an arithmetic number, because the mean of its divisors is an integer number (990559676925).

Almost surely, 2^{20125516161760} is an apocalyptic number.

20125516161760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20125516161760 is an abundant number, since it is smaller than the sum of its proper divisors (27421348330640).

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

20125516161760 is a wasteful number, since it uses less digits than its factorization.

20125516161760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879803 (or 879795 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 43.

The spelling of 20125516161760 in words is "twenty trillion, one hundred twenty-five billion, five hundred sixteen million, one hundred sixty-one thousand, seven hundred sixty".