20424626404266 has 16 divisors (see below), whose sum is σ = 46684860352704. Its totient is φ = 5835607544064.

The previous prime is 20424626404243. The next prime is 20424626404267. The reversal of 20424626404266 is 66240462642402.

It is not an unprimeable number, because it can be changed into a prime (20424626404267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243150314295 + ... + 243150314378.

It is an arithmetic number, because the mean of its divisors is an integer number (2917803772044).

Almost surely, 2^{20424626404266} is an apocalyptic number.

20424626404266 is an abundant number, since it is smaller than the sum of its proper divisors (26260233948438).

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

20424626404266 is a wasteful number, since it uses less digits than its factorization.

20424626404266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486300628685.

The product of its (nonzero) digits is 5308416, while the sum is 48.

The spelling of 20424626404266 in words is "twenty trillion, four hundred twenty-four billion, six hundred twenty-six million, four hundred four thousand, two hundred sixty-six".