20001241431 has 24 divisors (see below), whose sum is σ = 29120954304. Its totient is φ = 13228012800.

The previous prime is 20001241417. The next prime is 20001241433. The reversal of 20001241431 is 13414210002.

It is not a de Polignac number, because 20001241431 - 2⁵ = 20001241399 is a prime.

It is a super-2 number, since 2×20001241431² (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 (20001241433) 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 23 ways as a sum of consecutive naturals, for example, 2216130 + ... + 2225136.

It is an arithmetic number, because the mean of its divisors is an integer number (1213373096).

Almost surely, 2^20001241431 is an apocalyptic number.

20001241431 is a deficient number, since it is larger than the sum of its proper divisors (9119712873).

20001241431 is a wasteful number, since it uses less digits than its factorization.

20001241431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10951 (or 10948 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 20001241431 its reverse (13414210002), we get a palindrome (33415451433).

The spelling of 20001241431 in words is "twenty billion, one million, two hundred forty-one thousand, four hundred thirty-one".