20474574505562 has 8 divisors (see below), whose sum is σ = 30711885218100. Its totient is φ = 10237279432864.

The previous prime is 20474574505529. The next prime is 20474574505577. The reversal of 20474574505562 is 26550547547402.

It can be written as a sum of positive squares in 2 ways, for example, as 14360620990681 + 6113953514881 = 3789541^2 + 2472641^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 20474574505498 and 20474574505507.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246614 + ... + 6403902.

Almost surely, 2^{20474574505562} is an apocalyptic number.

20474574505562 is a deficient number, since it is larger than the sum of its proper divisors (10237310712538).

20474574505562 is a wasteful number, since it uses less digits than its factorization.

20474574505562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7819920.

The product of its (nonzero) digits is 47040000, while the sum is 56.

The spelling of 20474574505562 in words is "twenty trillion, four hundred seventy-four billion, five hundred seventy-four million, five hundred five thousand, five hundred sixty-two".