20224441531 has 8 divisors (see below), whose sum is σ = 23406225920. Its totient is φ = 17115801768.

The previous prime is 20224441513. The next prime is 20224441541. The reversal of 20224441531 is 13514442202.

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 20224441531 - 2⁷ = 20224441403 is a prime.

It is a super-2 number, since 2×20224441531² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20224441531.

It is not an unprimeable number, because it can be changed into a prime (20224441511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18285561 + ... + 18286666.

It is an arithmetic number, because the mean of its divisors is an integer number (2925778240).

Almost surely, 2^20224441531 is an apocalyptic number.

20224441531 is a deficient number, since it is larger than the sum of its proper divisors (3181784389).

20224441531 is an equidigital number, since it uses as much as digits as its factorization.

20224441531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36572313.

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 20224441531 its reverse (13514442202), we get a palindrome (33738883733).

The spelling of 20224441531 in words is "twenty billion, two hundred twenty-four million, four hundred forty-one thousand, five hundred thirty-one".