20226321445 has 32 divisors (see below), whose sum is σ = 26642689920. Its totient is φ = 14618880000.

The previous prime is 20226321443. The next prime is 20226321569. The reversal of 20226321445 is 54412362202.

It is not a de Polignac number, because 20226321445 - 2¹ = 20226321443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20226321443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7964986 + ... + 7967524.

It is an arithmetic number, because the mean of its divisors is an integer number (832584060).

Almost surely, 2^20226321445 is an apocalyptic number.

It is an amenable number.

20226321445 is a deficient number, since it is larger than the sum of its proper divisors (6416368475).

20226321445 is a wasteful number, since it uses less digits than its factorization.

20226321445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3397.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 20226321445 its reverse (54412362202), we get a palindrome (74638683647).

The spelling of 20226321445 in words is "twenty billion, two hundred twenty-six million, three hundred twenty-one thousand, four hundred forty-five".