20541045412031 has 16 divisors (see below), whose sum is σ = 22089447724608. Its totient is φ = 19031266598400.

The previous prime is 20541045412009. The next prime is 20541045412079. The reversal of 20541045412031 is 13021454014502.

It is a cyclic number.

It is not a de Polignac number, because 20541045412031 - 2⁴² = 16142998900927 is a prime.

It is a super-2 number, since 2×20541045412031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20541045412001) 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, 12242660 + ... + 13819001.

It is an arithmetic number, because the mean of its divisors is an integer number (1380590482788).

Almost surely, 2^{20541045412031} is an apocalyptic number.

20541045412031 is a deficient number, since it is larger than the sum of its proper divisors (1548402312577).

20541045412031 is a wasteful number, since it uses less digits than its factorization.

20541045412031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26062402.

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 20541045412031 its reverse (13021454014502), we get a palindrome (33562499426533).

The spelling of 20541045412031 in words is "twenty trillion, five hundred forty-one billion, forty-five million, four hundred twelve thousand, thirty-one".