20474606485361 has 8 divisors (see below), whose sum is σ = 23403378152064. Its totient is φ = 17546791789440.

The previous prime is 20474606485349. The next prime is 20474606485367. The reversal of 20474606485361 is 16358460647402.

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 20474606485361 - 2¹⁸ = 20474606223217 is a prime.

It is a super-2 number, since 2×20474606485361² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20474606485297 and 20474606485306.

It is not an unprimeable number, because it can be changed into a prime (20474606485367) 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, 239196845 + ... + 239282426.

It is an arithmetic number, because the mean of its divisors is an integer number (2925422269008).

Almost surely, 2^{20474606485361} is an apocalyptic number.

It is an amenable number.

20474606485361 is a deficient number, since it is larger than the sum of its proper divisors (2928771666703).

20474606485361 is an equidigital number, since it uses as much as digits as its factorization.

20474606485361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478485391.

The product of its (nonzero) digits is 23224320, while the sum is 56.

The spelling of 20474606485361 in words is "twenty trillion, four hundred seventy-four billion, six hundred six million, four hundred eighty-five thousand, three hundred sixty-one".