20163766722 has 32 divisors (see below), whose sum is σ = 44739336960. Its totient is φ = 6006667920.

The previous prime is 20163766703. The next prime is 20163766751. The reversal of 20163766722 is 22766736102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2585188 + ... + 2592975.

It is an arithmetic number, because the mean of its divisors is an integer number (1398104280).

Almost surely, 2^20163766722 is an apocalyptic number.

20163766722 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20163766722 is an abundant number, since it is smaller than the sum of its proper divisors (24575570238).

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

20163766722 is a wasteful number, since it uses less digits than its factorization.

20163766722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5178238.

The product of its (nonzero) digits is 254016, while the sum is 42.

It can be divided in two parts, 20163 and 766722, that added together give a triangular number (786885 = T₁₂₅₄).

The spelling of 20163766722 in words is "twenty billion, one hundred sixty-three million, seven hundred sixty-six thousand, seven hundred twenty-two".