20556614401126 has 16 divisors (see below), whose sum is σ = 30844319978160. Its totient is φ = 10275174856800.

The previous prime is 20556614401027. The next prime is 20556614401151. The reversal of 20556614401126 is 62110441665502.

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, 98028300 + ... + 98237776.

It is an arithmetic number, because the mean of its divisors is an integer number (1927769998635).

Almost surely, 2^{20556614401126} is an apocalyptic number.

20556614401126 is a deficient number, since it is larger than the sum of its proper divisors (10287705577034).

20556614401126 is a wasteful number, since it uses less digits than its factorization.

20556614401126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224199.

The product of its (nonzero) digits is 345600, while the sum is 43.

The spelling of 20556614401126 in words is "twenty trillion, five hundred fifty-six billion, six hundred fourteen million, four hundred one thousand, one hundred twenty-six".