20141265561660 has 96 divisors (see below), whose sum is σ = 63520094863680. Its totient is φ = 5297428740096.

The previous prime is 20141265561647. The next prime is 20141265561707. The reversal of 20141265561660 is 6616556214102.

20141265561660 is a `hidden beast` number, since 2 + 0 + 1 + 4 + 1 + 26 + 5 + 5 + 616 + 6 + 0 = 666.

It is a super-2 number, since 2×20141265561660² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 255430717 + ... + 255509556.

It is an arithmetic number, because the mean of its divisors is an integer number (661667654830).

Almost surely, 2^{20141265561660} is an apocalyptic number.

20141265561660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20141265561660 is an abundant number, since it is smaller than the sum of its proper divisors (43378829302020).

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

20141265561660 is a wasteful number, since it uses less digits than its factorization.

20141265561660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510940364 (or 510940356 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The spelling of 20141265561660 in words is "twenty trillion, one hundred forty-one billion, two hundred sixty-five million, five hundred sixty-one thousand, six hundred sixty".