20126324242226 has 4 divisors (see below), whose sum is σ = 30189486363342. Its totient is φ = 10063162121112.

The previous prime is 20126324242201. The next prime is 20126324242259. The reversal of 20126324242226 is 62224242362102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 16511211433201 + 3615112809025 = 4063399^2 + 1901345^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20126324242226.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5031581060555 + ... + 5031581060558.

Almost surely, 2^{20126324242226} is an apocalyptic number.

20126324242226 is a deficient number, since it is larger than the sum of its proper divisors (10063162121116).

20126324242226 is a wasteful number, since it uses less digits than its factorization.

20126324242226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10063162121115.

The product of its (nonzero) digits is 221184, while the sum is 38.

The spelling of 20126324242226 in words is "twenty trillion, one hundred twenty-six billion, three hundred twenty-four million, two hundred forty-two thousand, two hundred twenty-six".