20406112216022 has 8 divisors (see below), whose sum is σ = 32963719733616. Its totient is φ = 9418205638152.

The previous prime is 20406112216001. The next prime is 20406112216037. The reversal of 20406112216022 is 22061221160402.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 392425234898 + ... + 392425234949.

It is an arithmetic number, because the mean of its divisors is an integer number (4120464966702).

Almost surely, 2^{20406112216022} is an apocalyptic number.

20406112216022 is a deficient number, since it is larger than the sum of its proper divisors (12557607517594).

20406112216022 is a wasteful number, since it uses less digits than its factorization.

20406112216022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784850469862.

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 20406112216022 its reverse (22061221160402), we get a palindrome (42467333376424).

The spelling of 20406112216022 in words is "twenty trillion, four hundred six billion, one hundred twelve million, two hundred sixteen thousand, twenty-two".