20636022473346 has 16 divisors (see below), whose sum is σ = 47168051367744. Its totient is φ = 5896006420944.

The previous prime is 20636022473303. The next prime is 20636022473357. The reversal of 20636022473346 is 64337422063602.

It is a junction number, because it is equal to n+sod(n) for n = 20636022473295 and 20636022473304.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245666934165 + ... + 245666934248.

It is an arithmetic number, because the mean of its divisors is an integer number (2948003210484).

Almost surely, 2^{20636022473346} is an apocalyptic number.

20636022473346 is an abundant number, since it is smaller than the sum of its proper divisors (26532028894398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20636022473346 is a wasteful number, since it uses less digits than its factorization.

20636022473346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491333868425.

The product of its (nonzero) digits is 5225472, while the sum is 48.

The spelling of 20636022473346 in words is "twenty trillion, six hundred thirty-six billion, twenty-two million, four hundred seventy-three thousand, three hundred forty-six".