20126385227536 has 225 divisors, whose sum is σ = 46575440640519. Its totient is φ = 8424735552576.

The previous prime is 20126385227491. The next prime is 20126385227539. The reversal of 20126385227536 is 63572258362102.

The square root of 20126385227536 is 4486244.

It is a perfect power (a square), and thus also a powerful number.

It is not an unprimeable number, because it can be changed into a prime (20126385227539) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 41327279485 + ... + 41327279971.

Almost surely, 2^{20126385227536} is an apocalyptic number.

20126385227536 is the 4486244-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20126385227536

20126385227536 is an abundant number, since it is smaller than the sum of its proper divisors (26449055412983).

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

20126385227536 is an frugal number, since it uses more digits than its factorization.

20126385227536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1104 (or 543 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 52.

The spelling of 20126385227536 in words is "twenty trillion, one hundred twenty-six billion, three hundred eighty-five million, two hundred twenty-seven thousand, five hundred thirty-six".