20440202222 has 32 divisors (see below), whose sum is σ = 34546811904. Its totient is φ = 8986017600.

The previous prime is 20440202221. The next prime is 20440202227. The reversal of 20440202222 is 22220204402.

It is a junction number, because it is equal to n+sod(n) for n = 20440202194 and 20440202203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20440202221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1296833 + ... + 1312499.

It is an arithmetic number, because the mean of its divisors is an integer number (1079587872).

Almost surely, 2^20440202222 is an apocalyptic number.

20440202222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20440202222 is a deficient number, since it is larger than the sum of its proper divisors (14106609682).

20440202222 is a wasteful number, since it uses less digits than its factorization.

20440202222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17624.

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 20440202222 its reverse (22220204402), we get a palindrome (42660406624).

The spelling of 20440202222 in words is "twenty billion, four hundred forty million, two hundred two thousand, two hundred twenty-two".