20366722760 has 16 divisors (see below), whose sum is σ = 45825126300. Its totient is φ = 8146689088.

The previous prime is 20366722759. The next prime is 20366722777. The reversal of 20366722760 is 6722766302.

It can be written as a sum of positive squares in 2 ways, for example, as 18583687684 + 1783035076 = 136322^2 + 42226^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 254583995 + ... + 254584074.

Almost surely, 2^20366722760 is an apocalyptic number.

20366722760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20366722760 is an abundant number, since it is smaller than the sum of its proper divisors (25458403540).

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

20366722760 is a wasteful number, since it uses less digits than its factorization.

20366722760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509168080 (or 509168076 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 41.

The spelling of 20366722760 in words is "twenty billion, three hundred sixty-six million, seven hundred twenty-two thousand, seven hundred sixty".