20602224064 has 14 divisors (see below), whose sum is σ = 40882538504. Its totient is φ = 10301112000.

The previous prime is 20602224059. The next prime is 20602224067. The reversal of 20602224064 is 46042220602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20602224067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160954812 + ... + 160954939.

Almost surely, 2^20602224064 is an apocalyptic number.

It is an amenable number.

20602224064 is a deficient number, since it is larger than the sum of its proper divisors (20280314440).

20602224064 is an equidigital number, since it uses as much as digits as its factorization.

20602224064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321909763 (or 321909753 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 20602224064 its reverse (46042220602), we get a palindrome (66644444666).

The spelling of 20602224064 in words is "twenty billion, six hundred two million, two hundred twenty-four thousand, sixty-four".