20041152231 has 32 divisors (see below), whose sum is σ = 28260001728. Its totient is φ = 12616335360.

The previous prime is 20041152223. The next prime is 20041152251. The reversal of 20041152231 is 13225114002.

It is not a de Polignac number, because 20041152231 - 2³ = 20041152223 is a prime.

It is a super-2 number, since 2×20041152231² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20041152198 and 20041152207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20041152251) 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, 866935 + ... + 889751.

It is an arithmetic number, because the mean of its divisors is an integer number (883125054).

Almost surely, 2^20041152231 is an apocalyptic number.

20041152231 is a deficient number, since it is larger than the sum of its proper divisors (8218849497).

20041152231 is a wasteful number, since it uses less digits than its factorization.

20041152231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23091.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 20041152231 its reverse (13225114002), we get a palindrome (33266266233).

The spelling of 20041152231 in words is "twenty billion, forty-one million, one hundred fifty-two thousand, two hundred thirty-one".