20136426444722 has 16 divisors (see below), whose sum is σ = 34519648899840. Its totient is φ = 8629881870528.

The previous prime is 20136426444721. The next prime is 20136426444821. The reversal of 20136426444722 is 22744462463102.

It is not an unprimeable number, because it can be changed into a prime (20136426444721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11250458 + ... + 12916874.

It is an arithmetic number, because the mean of its divisors is an integer number (2157478056240).

Almost surely, 2^{20136426444722} is an apocalyptic number.

20136426444722 is a deficient number, since it is larger than the sum of its proper divisors (14383222455118).

20136426444722 is a wasteful number, since it uses less digits than its factorization.

20136426444722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2529545.

The product of its (nonzero) digits is 3096576, while the sum is 47.

The spelling of 20136426444722 in words is "twenty trillion, one hundred thirty-six billion, four hundred twenty-six million, four hundred forty-four thousand, seven hundred twenty-two".