20212757323776 has 672 divisors, whose sum is σ = 62864285597568. Its totient is φ = 6235289026560.

The previous prime is 20212757323727. The next prime is 20212757323783. The reversal of 20212757323776 is 67732375721202.

20212757323776 is a `hidden beast` number, since 2 + 0 + 2 + 1 + 275 + 73 + 237 + 76 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 34433998555 + ... + 34433999141.

It is an arithmetic number, because the mean of its divisors is an integer number (93548044044).

Almost surely, 2^{20212757323776} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20212757323776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31432142798784).

20212757323776 is an abundant number, since it is smaller than the sum of its proper divisors (42651528273792).

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

20212757323776 is a wasteful number, since it uses less digits than its factorization.

20212757323776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1050 (or 1023 counting only the distinct ones).

The product of its (nonzero) digits is 10372320, while the sum is 54.

The spelling of 20212757323776 in words is "twenty trillion, two hundred twelve billion, seven hundred fifty-seven million, three hundred twenty-three thousand, seven hundred seventy-six".