20534553606306 has 64 divisors (see below), whose sum is σ = 43520761589760. Its totient is φ = 6436907162880.

The previous prime is 20534553606269. The next prime is 20534553606331. The reversal of 20534553606306 is 60360635543502.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1384562311 + ... + 1384577141.

It is an arithmetic number, because the mean of its divisors is an integer number (680011899840).

Almost surely, 2^{20534553606306} is an apocalyptic number.

20534553606306 is an abundant number, since it is smaller than the sum of its proper divisors (22986207983454).

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

20534553606306 is a wasteful number, since it uses less digits than its factorization.

20534553606306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25119.

The product of its (nonzero) digits is 5832000, while the sum is 48.

The spelling of 20534553606306 in words is "twenty trillion, five hundred thirty-four billion, five hundred fifty-three million, six hundred six thousand, three hundred six".