20352473136601 has 8 divisors (see below), whose sum is σ = 21553361879400. Its totient is φ = 19151993776128.

The previous prime is 20352473136577. The next prime is 20352473136629. The reversal of 20352473136601 is 10663137425302.

It can be written as a sum of positive squares in 4 ways, for example, as 7377204642201 + 12975268494400 = 2716101^2 + 3602120^2 .

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

It is not a de Polignac number, because 20352473136601 - 2²¹ = 20352471039449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20352473136631) 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, 102243216 + ... + 102442081.

It is an arithmetic number, because the mean of its divisors is an integer number (2694170234925).

Almost surely, 2^{20352473136601} is an apocalyptic number.

It is an amenable number.

20352473136601 is a deficient number, since it is larger than the sum of its proper divisors (1200888742799).

20352473136601 is a wasteful number, since it uses less digits than its factorization.

20352473136601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204691163.

The product of its (nonzero) digits is 544320, while the sum is 43.

The spelling of 20352473136601 in words is "twenty trillion, three hundred fifty-two billion, four hundred seventy-three million, one hundred thirty-six thousand, six hundred one".