20422655134466 has 8 divisors (see below), whose sum is σ = 32990442909564. Its totient is φ = 9425840831280.

The previous prime is 20422655134447. The next prime is 20422655134477. The reversal of 20422655134466 is 66443155622402.

It can be written as a sum of positive squares in 2 ways, for example, as 16353297054241 + 4069358080225 = 4043921^2 + 2017265^2 .

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

It is a super-2 number, since 2×20422655134466² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 392743367945 + ... + 392743367996.

Almost surely, 2^{20422655134466} is an apocalyptic number.

20422655134466 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20422655134466 is a deficient number, since it is larger than the sum of its proper divisors (12567787775098).

20422655134466 is a wasteful number, since it uses less digits than its factorization.

20422655134466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785486735956.

The product of its (nonzero) digits is 8294400, while the sum is 50.

The spelling of 20422655134466 in words is "twenty trillion, four hundred twenty-two billion, six hundred fifty-five million, one hundred thirty-four thousand, four hundred sixty-six".