20431222334 has 16 divisors (see below), whose sum is σ = 31127801040. Its totient is φ = 10055839680.

The previous prime is 20431222249. The next prime is 20431222337. The reversal of 20431222334 is 43322213402.

It is a super-2 number, since 2×20431222334² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20431222337) 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 7 ways as a sum of consecutive naturals, for example, 63152 + ... + 211779.

It is an arithmetic number, because the mean of its divisors is an integer number (1945487565).

Almost surely, 2^20431222334 is an apocalyptic number.

20431222334 is a deficient number, since it is larger than the sum of its proper divisors (10696578706).

20431222334 is a wasteful number, since it uses less digits than its factorization.

20431222334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275515.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 20431222334 its reverse (43322213402), we get a palindrome (63753435736).

The spelling of 20431222334 in words is "twenty billion, four hundred thirty-one million, two hundred twenty-two thousand, three hundred thirty-four".