20126006535636 has 24 divisors (see below), whose sum is σ = 52178535463040. Its totient is φ = 6708668845176.

The previous prime is 20126006535581. The next prime is 20126006535673. The reversal of 20126006535636 is 63653560062102.

20126006535636 is a `hidden beast` number, since 2 + 0 + 1 + 2 + 6 + 0 + 0 + 6 + 5 + 3 + 5 + 636 = 666.

It is a super-2 number, since 2×20126006535636² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20126006535591 and 20126006535600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93175956076 + ... + 93175956291.

Almost surely, 2^{20126006535636} is an apocalyptic number.

It is an amenable number.

20126006535636 is an abundant number, since it is smaller than the sum of its proper divisors (32052528927404).

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

20126006535636 is a wasteful number, since it uses less digits than its factorization.

20126006535636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186351912380 (or 186351912372 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 45.

Adding to 20126006535636 its reverse (63653560062102), we get a palindrome (83779566597738).

The spelling of 20126006535636 in words is "twenty trillion, one hundred twenty-six billion, six million, five hundred thirty-five thousand, six hundred thirty-six".