20033142203431 has 32 divisors (see below), whose sum is σ = 23422275993600. Its totient is φ = 16779586894560.

The previous prime is 20033142203369. The next prime is 20033142203447. The reversal of 20033142203431 is 13430224133002.

It is a happy number.

It is not a de Polignac number, because 20033142203431 - 2⁹ = 20033142202919 is a prime.

It is a super-2 number, since 2×20033142203431² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20033142203431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20033142203461) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48930336 + ... + 49338058.

It is an arithmetic number, because the mean of its divisors is an integer number (731946124800).

Almost surely, 2^{20033142203431} is an apocalyptic number.

20033142203431 is a deficient number, since it is larger than the sum of its proper divisors (3389133790169).

20033142203431 is a wasteful number, since it uses less digits than its factorization.

20033142203431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408499.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 20033142203431 its reverse (13430224133002), we get a palindrome (33463366336433).

The spelling of 20033142203431 in words is "twenty trillion, thirty-three billion, one hundred forty-two million, two hundred three thousand, four hundred thirty-one".