20434321222 has 16 divisors (see below), whose sum is σ = 35033628960. Its totient is φ = 8756725248.

The previous prime is 20434321217. The next prime is 20434321231. The reversal of 20434321222 is 22212343402.

It is a super-2 number, since 2×20434321222² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94188 + ... + 223024.

It is an arithmetic number, because the mean of its divisors is an integer number (2189601810).

Almost surely, 2^20434321222 is an apocalyptic number.

20434321222 is a deficient number, since it is larger than the sum of its proper divisors (14599307738).

20434321222 is a wasteful number, since it uses less digits than its factorization.

20434321222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140175.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 20434321222 its reverse (22212343402), we get a palindrome (42646664624).

The spelling of 20434321222 in words is "twenty billion, four hundred thirty-four million, three hundred twenty-one thousand, two hundred twenty-two".