20575956541 has 8 divisors (see below), whose sum is σ = 23524595840. Its totient is φ = 17629621488.

The previous prime is 20575956529. The next prime is 20575956571. The reversal of 20575956541 is 14565957502.

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 20575956541 - 2⁵ = 20575956509 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 (20575956571) 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, 556881 + ... + 592678.

It is an arithmetic number, because the mean of its divisors is an integer number (2940574480).

Almost surely, 2^20575956541 is an apocalyptic number.

It is an amenable number.

20575956541 is a deficient number, since it is larger than the sum of its proper divisors (2948639299).

20575956541 is a wasteful number, since it uses less digits than its factorization.

20575956541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1152123.

The product of its (nonzero) digits is 1890000, while the sum is 49.

The spelling of 20575956541 in words is "twenty billion, five hundred seventy-five million, nine hundred fifty-six thousand, five hundred forty-one".