20560531141 has 8 divisors (see below), whose sum is σ = 21047558400. Its totient is φ = 20073907392.

The previous prime is 20560531127. The next prime is 20560531163. The reversal of 20560531141 is 14113506502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20560531141 - 2²¹ = 20558433989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20560531181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3501 + ... + 202813.

It is an arithmetic number, because the mean of its divisors is an integer number (2630944800).

Almost surely, 2^20560531141 is an apocalyptic number.

It is an amenable number.

20560531141 is a deficient number, since it is larger than the sum of its proper divisors (487027259).

20560531141 is a wasteful number, since it uses less digits than its factorization.

20560531141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201755.

The product of its (nonzero) digits is 3600, while the sum is 28.

The spelling of 20560531141 in words is "twenty billion, five hundred sixty million, five hundred thirty-one thousand, one hundred forty-one".