20446105206233 has 4 divisors (see below), whose sum is σ = 23366977378560. Its totient is φ = 17525233033908.

The previous prime is 20446105206199. The next prime is 20446105206341. The reversal of 20446105206233 is 33260250164402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20446105206233 - 2¹⁴ = 20446105189849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20446105206533) 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, 1460436086153 + ... + 1460436086166.

It is an arithmetic number, because the mean of its divisors is an integer number (5841744344640).

Almost surely, 2^{20446105206233} is an apocalyptic number.

It is an amenable number.

20446105206233 is a deficient number, since it is larger than the sum of its proper divisors (2920872172327).

20446105206233 is an equidigital number, since it uses as much as digits as its factorization.

20446105206233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2920872172326.

The product of its (nonzero) digits is 207360, while the sum is 38.

The spelling of 20446105206233 in words is "twenty trillion, four hundred forty-six billion, one hundred five million, two hundred six thousand, two hundred thirty-three".