20530401102126 has 48 divisors (see below), whose sum is σ = 45093067472544. Its totient is φ = 6749543987712.

The previous prime is 20530401102109. The next prime is 20530401102161. The reversal of 20530401102126 is 62120110403502.

20530401102126 is a `hidden beast` number, since 2 + 0 + 5 + 30 + 401 + 10 + 212 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 20530401102126.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55762695 + ... + 56129661.

It is an arithmetic number, because the mean of its divisors is an integer number (939438905678).

Almost surely, 2^{20530401102126} is an apocalyptic number.

20530401102126 is an abundant number, since it is smaller than the sum of its proper divisors (24562666370418).

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

20530401102126 is a wasteful number, since it uses less digits than its factorization.

20530401102126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409625 (or 409622 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 20530401102126 its reverse (62120110403502), we get a palindrome (82650511505628).

The spelling of 20530401102126 in words is "twenty trillion, five hundred thirty billion, four hundred one million, one hundred two thousand, one hundred twenty-six".