20560445375601 has 16 divisors (see below), whose sum is σ = 28943946026240. Its totient is φ = 12946313183760.

The previous prime is 20560445375579. The next prime is 20560445375621. The reversal of 20560445375601 is 10657354406502.

It is not a de Polignac number, because 20560445375601 - 2⁷ = 20560445375473 is a prime.

It is a super-2 number, since 2×20560445375601² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20560445375621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 544859635 + ... + 544897368.

It is an arithmetic number, because the mean of its divisors is an integer number (1808996626640).

Almost surely, 2^{20560445375601} is an apocalyptic number.

It is an amenable number.

20560445375601 is a deficient number, since it is larger than the sum of its proper divisors (8383500650639).

20560445375601 is a wasteful number, since it uses less digits than its factorization.

20560445375601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1089757356.

The product of its (nonzero) digits is 3024000, while the sum is 48.

The spelling of 20560445375601 in words is "twenty trillion, five hundred sixty billion, four hundred forty-five million, three hundred seventy-five thousand, six hundred one".