20366722712 has 32 divisors (see below), whose sum is σ = 44294373120.
Its totient is φ = 8598316320.
The previous prime is 20366722693. The next prime is 20366722741. The reversal of 20366722712 is 21722766302.
It is a congruent number.
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 7 ways as a sum of consecutive naturals, for example, 2710364 + ... + 2717867.
It is an arithmetic number, because the mean of its divisors is an integer number (1384199160).
Almost surely, 220366722712 is an apocalyptic number.
It is an amenable number.
20366722712 is an abundant number, since it is smaller than the sum of its proper divisors (23927650408).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20366722712 is a wasteful number, since it uses less digits than its factorization.
20366722712 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5428311 (or 5428307 counting only the distinct ones).
The product of its (nonzero) digits is 84672, while the sum is 38.
The spelling of 20366722712 in words is "twenty billion, three hundred sixty-six million, seven hundred twenty-two thousand, seven hundred twelve".