20431003422 has 8 divisors (see below), whose sum is σ = 40862006856. Its totient is φ = 6810334472.

The previous prime is 20431003367. The next prime is 20431003423. The reversal of 20431003422 is 22430013402.

It is a sphenic number, since it is the product of 3 distinct primes.

20431003422 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20431003423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1702583613 + ... + 1702583624.

It is an arithmetic number, because the mean of its divisors is an integer number (5107750857).

Almost surely, 2^20431003422 is an apocalyptic number.

20431003422 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20431003422 is a wasteful number, since it uses less digits than its factorization.

20431003422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3405167242.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 20431003422 its reverse (22430013402), we get a palindrome (42861016824).

The spelling of 20431003422 in words is "twenty billion, four hundred thirty-one million, three thousand, four hundred twenty-two".