20042266220406 has 12 divisors (see below), whose sum is σ = 43424910144252. Its totient is φ = 6680755406796.

The previous prime is 20042266220387. The next prime is 20042266220411. The reversal of 20042266220406 is 60402266224002.

20042266220406 is a `hidden beast` number, since 2 + 0 + 0 + 4 + 2 + 26 + 6 + 220 + 406 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 556729617216 + ... + 556729617251.

It is an arithmetic number, because the mean of its divisors is an integer number (3618742512021).

Almost surely, 2^{20042266220406} is an apocalyptic number.

20042266220406 is an abundant number, since it is smaller than the sum of its proper divisors (23382643923846).

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

20042266220406 is a wasteful number, since it uses less digits than its factorization.

20042266220406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113459234475 (or 1113459234472 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

The spelling of 20042266220406 in words is "twenty trillion, forty-two billion, two hundred sixty-six million, two hundred twenty thousand, four hundred six".