20123320001208 has 64 divisors (see below), whose sum is σ = 50336012390400. Its totient is φ = 6704079123840.

The previous prime is 20123320001171. The next prime is 20123320001209. The reversal of 20123320001208 is 80210002332102.

It is a happy number.

It is a super-2 number, since 2×20123320001208² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20123320001209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 553078585 + ... + 553114967.

It is an arithmetic number, because the mean of its divisors is an integer number (786500193600).

Almost surely, 2^{20123320001208} is an apocalyptic number.

It is an amenable number.

20123320001208 is an abundant number, since it is smaller than the sum of its proper divisors (30212692389192).

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

20123320001208 is a wasteful number, since it uses less digits than its factorization.

20123320001208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48452 (or 48448 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The spelling of 20123320001208 in words is "twenty trillion, one hundred twenty-three billion, three hundred twenty million, one thousand, two hundred eight".