20012601226 has 8 divisors (see below), whose sum is σ = 30020323140. Its totient is φ = 10005826848.

The previous prime is 20012601221. The next prime is 20012601239. The reversal of 20012601226 is 62210621002.

It can be written as a sum of positive squares in 2 ways, for example, as 13967694225 + 6044907001 = 118185^2 + 77749^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 20012601197 and 20012601206.

It is not an unprimeable number, because it can be changed into a prime (20012601221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181491 + ... + 270118.

Almost surely, 2^20012601226 is an apocalyptic number.

20012601226 is a deficient number, since it is larger than the sum of its proper divisors (10007721914).

20012601226 is a wasteful number, since it uses less digits than its factorization.

20012601226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473768.

The product of its (nonzero) digits is 576, while the sum is 22.

The spelling of 20012601226 in words is "twenty billion, twelve million, six hundred one thousand, two hundred twenty-six".