20522953292712 has 192 divisors, whose sum is σ = 56875416192000. Its totient is φ = 6165624022272.

The previous prime is 20522953292657. The next prime is 20522953292741. The reversal of 20522953292712 is 21729235922502.

It is a super-2 number, since 2×20522953292712² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 79746339 + ... + 80003277.

It is an arithmetic number, because the mean of its divisors is an integer number (296226126000).

Almost surely, 2^{20522953292712} 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 20522953292712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28437708096000).

20522953292712 is an abundant number, since it is smaller than the sum of its proper divisors (36352462899288).

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

20522953292712 is a wasteful number, since it uses less digits than its factorization.

20522953292712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257440 (or 257423 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 51.

The spelling of 20522953292712 in words is "twenty trillion, five hundred twenty-two billion, nine hundred fifty-three million, two hundred ninety-two thousand, seven hundred twelve".