20224135532 has 12 divisors (see below), whose sum is σ = 36145263840. Its totient is φ = 9896917296.

The previous prime is 20224135517. The next prime is 20224135537. The reversal of 20224135532 is 23553142202.

It is a junction number, because it is equal to n+sod(n) for n = 20224135495 and 20224135504.

It is not an unprimeable number, because it can be changed into a prime (20224135537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53787407 + ... + 53787782.

It is an arithmetic number, because the mean of its divisors is an integer number (3012105320).

Almost surely, 2^20224135532 is an apocalyptic number.

It is an amenable number.

20224135532 is a deficient number, since it is larger than the sum of its proper divisors (15921128308).

20224135532 is a wasteful number, since it uses less digits than its factorization.

20224135532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107575240 (or 107575238 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 20224135532 its reverse (23553142202), we get a palindrome (43777277734).

The spelling of 20224135532 in words is "twenty billion, two hundred twenty-four million, one hundred thirty-five thousand, five hundred thirty-two".