20126330057712 has 80 divisors (see below), whose sum is σ = 52770560662400. Its totient is φ = 6608454564096.

The previous prime is 20126330057711. The next prime is 20126330057719. The reversal of 20126330057712 is 21775003362102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20126330057711) 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, 149634363 + ... + 149768805.

It is an arithmetic number, because the mean of its divisors is an integer number (659632008280).

Almost surely, 2^{20126330057712} is an apocalyptic number.

It is an amenable number.

20126330057712 is an abundant number, since it is smaller than the sum of its proper divisors (32644230604688).

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

20126330057712 is a wasteful number, since it uses less digits than its factorization.

20126330057712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181070 (or 181064 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 39.

The spelling of 20126330057712 in words is "twenty trillion, one hundred twenty-six billion, three hundred thirty million, fifty-seven thousand, seven hundred twelve".