20722355850722 has 16 divisors (see below), whose sum is σ = 33067957884192. Its totient is φ = 9705480294720.

The previous prime is 20722355850719. The next prime is 20722355850731. The reversal of 20722355850722 is 22705855322702.

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, 1444260728 + ... + 1444275075.

It is an arithmetic number, because the mean of its divisors is an integer number (2066747367762).

Almost surely, 2^{20722355850722} is an apocalyptic number.

20722355850722 is a deficient number, since it is larger than the sum of its proper divisors (12345602033470).

20722355850722 is a wasteful number, since it uses less digits than its factorization.

20722355850722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2888536033.

The product of its (nonzero) digits is 4704000, while the sum is 50.

The spelling of 20722355850722 in words is "twenty trillion, seven hundred twenty-two billion, three hundred fifty-five million, eight hundred fifty thousand, seven hundred twenty-two".