20242221131 has 8 divisors (see below), whose sum is σ = 22301062128. Its totient is φ = 18219820000.

The previous prime is 20242221127. The next prime is 20242221161. The reversal of 20242221131 is 13112224202.

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 20242221131 - 2² = 20242221127 is a prime.

It is a super-3 number, since 3×20242221131³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20242221161) 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, 9108800 + ... + 9111021.

It is an arithmetic number, because the mean of its divisors is an integer number (2787632766).

Almost surely, 2^20242221131 is an apocalyptic number.

20242221131 is a deficient number, since it is larger than the sum of its proper divisors (2058840997).

20242221131 is a wasteful number, since it uses less digits than its factorization.

20242221131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18219933.

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

Adding to 20242221131 its reverse (13112224202), we get a palindrome (33354445333).

The spelling of 20242221131 in words is "twenty billion, two hundred forty-two million, two hundred twenty-one thousand, one hundred thirty-one".