20321174226 has 32 divisors (see below), whose sum is σ = 41031785088. Its totient is φ = 6709109120.

The previous prime is 20321174207. The next prime is 20321174231. The reversal of 20321174226 is 62247112302.

It is a junction number, because it is equal to n+sod(n) for n = 20321174193 and 20321174202.

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 15 ways as a sum of consecutive naturals, for example, 245476 + ... + 317648.

It is an arithmetic number, because the mean of its divisors is an integer number (1282243284).

Almost surely, 2^20321174226 is an apocalyptic number.

20321174226 is an abundant number, since it is smaller than the sum of its proper divisors (20710610862).

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

20321174226 is a wasteful number, since it uses less digits than its factorization.

20321174226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72626.

The product of its (nonzero) digits is 8064, while the sum is 30.

Adding to 20321174226 its reverse (62247112302), we get a palindrome (82568286528).

The spelling of 20321174226 in words is "twenty billion, three hundred twenty-one million, one hundred seventy-four thousand, two hundred twenty-six".