20003422011431 has 16 divisors (see below), whose sum is σ = 21028700952000. Its totient is φ = 18991369233408.

The previous prime is 20003422011421. The next prime is 20003422011439. The reversal of 20003422011431 is 13411022430002.

It is a cyclic number.

It is not a de Polignac number, because 20003422011431 - 2⁶ = 20003422011367 is a prime.

It is a super-2 number, since 2×20003422011431² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20003422011397 and 20003422011406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20003422011439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 373145 + ... + 6336093.

It is an arithmetic number, because the mean of its divisors is an integer number (1314293809500).

Almost surely, 2^{20003422011431} is an apocalyptic number.

20003422011431 is a deficient number, since it is larger than the sum of its proper divisors (1025278940569).

20003422011431 is a wasteful number, since it uses less digits than its factorization.

20003422011431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5964058.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 20003422011431 its reverse (13411022430002), we get a palindrome (33414444441433).

The spelling of 20003422011431 in words is "twenty trillion, three billion, four hundred twenty-two million, eleven thousand, four hundred thirty-one".