20126256434230 has 8 divisors (see below), whose sum is σ = 36227261581632. Its totient is φ = 8050502573688.

The previous prime is 20126256434183. The next prime is 20126256434231. The reversal of 20126256434230 is 3243465262102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20126256434231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1006312821702 + ... + 1006312821721.

It is an arithmetic number, because the mean of its divisors is an integer number (4528407697704).

Almost surely, 2^{20126256434230} is an apocalyptic number.

20126256434230 is a deficient number, since it is larger than the sum of its proper divisors (16101005147402).

20126256434230 is a wasteful number, since it uses less digits than its factorization.

20126256434230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2012625643430.

The product of its (nonzero) digits is 414720, while the sum is 40.

The spelling of 20126256434230 in words is "twenty trillion, one hundred twenty-six billion, two hundred fifty-six million, four hundred thirty-four thousand, two hundred thirty".