20045401322 has 16 divisors (see below), whose sum is σ = 30245610912. Its totient is φ = 9963641520.

The previous prime is 20045401291. The next prime is 20045401331. The reversal of 20045401322 is 22310454002.

It is a happy number.

It is a super-2 number, since 2×20045401322² (a number of 21 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 7 ways as a sum of consecutive naturals, for example, 343013 + ... + 397175.

It is an arithmetic number, because the mean of its divisors is an integer number (1890350682).

Almost surely, 2^20045401322 is an apocalyptic number.

20045401322 is a deficient number, since it is larger than the sum of its proper divisors (10200209590).

20045401322 is a wasteful number, since it uses less digits than its factorization.

20045401322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55253.

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 20045401322 its reverse (22310454002), we get a palindrome (42355855324).

The spelling of 20045401322 in words is "twenty billion, forty-five million, four hundred one thousand, three hundred twenty-two".