20960075531 has 8 divisors (see below), whose sum is σ = 21459212544. Its totient is φ = 20461470120.

The previous prime is 20960075471. The next prime is 20960075567. The reversal of 20960075531 is 13557006902.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20960075531 is a prime.

It is a super-2 number, since 2×20960075531² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20960075581) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 52535 + ... + 211376.

It is an arithmetic number, because the mean of its divisors is an integer number (2682401568).

Almost surely, 2^20960075531 is an apocalyptic number.

20960075531 is a deficient number, since it is larger than the sum of its proper divisors (499137013).

20960075531 is a wasteful number, since it uses less digits than its factorization.

20960075531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265801.

The product of its (nonzero) digits is 56700, while the sum is 38.

The spelling of 20960075531 in words is "twenty billion, nine hundred sixty million, seventy-five thousand, five hundred thirty-one".