20042241131 has 8 divisors (see below), whose sum is σ = 22080742128. Its totient is φ = 18039820000.

The previous prime is 20042241119. The next prime is 20042241173. The reversal of 20042241131 is 13114224002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20042241131 - 2¹⁰ = 20042240107 is a prime.

It is a super-2 number, since 2×20042241131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20042243131) 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 7 ways as a sum of consecutive naturals, for example, 9018800 + ... + 9021021.

It is an arithmetic number, because the mean of its divisors is an integer number (2760092766).

Almost surely, 2^20042241131 is an apocalyptic number.

20042241131 is a deficient number, since it is larger than the sum of its proper divisors (2038500997).

20042241131 is a wasteful number, since it uses less digits than its factorization.

20042241131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18039933.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 20042241131 its reverse (13114224002), we get a palindrome (33156465133).

The spelling of 20042241131 in words is "twenty billion, forty-two million, two hundred forty-one thousand, one hundred thirty-one".