20413222345 has 16 divisors (see below), whose sum is σ = 26035447680. Its totient is φ = 15311497984.

The previous prime is 20413222309. The next prime is 20413222373. The reversal of 20413222345 is 54322231402.

It is not a de Polignac number, because 20413222345 - 2⁷ = 20413222217 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 434215 + ... + 478924.

It is an arithmetic number, because the mean of its divisors is an integer number (1627215480).

Almost surely, 2^20413222345 is an apocalyptic number.

It is an amenable number.

20413222345 is a deficient number, since it is larger than the sum of its proper divisors (5622225335).

20413222345 is a wasteful number, since it uses less digits than its factorization.

20413222345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913424.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 20413222345 its reverse (54322231402), we get a palindrome (74735453747).

The spelling of 20413222345 in words is "twenty billion, four hundred thirteen million, two hundred twenty-two thousand, three hundred forty-five".