20125461051660 has 96 divisors (see below), whose sum is σ = 58141289687040. Its totient is φ = 5198877096192.

The previous prime is 20125461051653. The next prime is 20125461051719. The reversal of 20125461051660 is 6615016452102.

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 31 ways as a sum of consecutive naturals, for example, 39804232 + ... + 40306671.

It is an arithmetic number, because the mean of its divisors is an integer number (605638434240).

Almost surely, 2^{20125461051660} is an apocalyptic number.

20125461051660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20125461051660 is an abundant number, since it is smaller than the sum of its proper divisors (38015828635380).

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

20125461051660 is a wasteful number, since it uses less digits than its factorization.

20125461051660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80111047 (or 80111045 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 39.

The spelling of 20125461051660 in words is "twenty trillion, one hundred twenty-five billion, four hundred sixty-one million, fifty-one thousand, six hundred sixty".