20122625740672 has 128 divisors (see below), whose sum is σ = 49933580175360. Its totient is φ = 7864687982592.

The previous prime is 20122625740661. The next prime is 20122625740739. The reversal of 20122625740672 is 27604752622102.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-3 number, since 3×20122625740672³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9440208 + ... + 11373775.

It is an arithmetic number, because the mean of its divisors is an integer number (390106095120).

Almost surely, 2^{20122625740672} is an apocalyptic number.

It is an amenable number.

20122625740672 is an abundant number, since it is smaller than the sum of its proper divisors (29810954434688).

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

20122625740672 is a wasteful number, since it uses less digits than its factorization.

20122625740672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20814100 (or 20814088 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 46.

The spelling of 20122625740672 in words is "twenty trillion, one hundred twenty-two billion, six hundred twenty-five million, seven hundred forty thousand, six hundred seventy-two".