20601771306722 has 16 divisors (see below), whose sum is σ = 30949925746752. Its totient is φ = 10285129913520.

The previous prime is 20601771306709. The next prime is 20601771306761. The reversal of 20601771306722 is 22760317710602.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122924393 + ... + 123091875.

It is an arithmetic number, because the mean of its divisors is an integer number (1934370359172).

Almost surely, 2^{20601771306722} is an apocalyptic number.

20601771306722 is a deficient number, since it is larger than the sum of its proper divisors (10348154440030).

20601771306722 is a wasteful number, since it uses less digits than its factorization.

20601771306722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261193.

The product of its (nonzero) digits is 296352, while the sum is 44.

The spelling of 20601771306722 in words is "twenty trillion, six hundred one billion, seven hundred seventy-one million, three hundred six thousand, seven hundred twenty-two".