20213342241424 has 20 divisors (see below), whose sum is σ = 39192126057900. Its totient is φ = 10099245194240.

The previous prime is 20213342241401. The next prime is 20213342241439. The reversal of 20213342241424 is 42414224331202.

It can be written as a sum of positive squares in 2 ways, for example, as 5295208481424 + 14918133760000 = 2301132^2 + 3862400^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20213342241424.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 464097949 + ... + 464141500.

It is an arithmetic number, because the mean of its divisors is an integer number (1959606302895).

Almost surely, 2^{20213342241424} is an apocalyptic number.

It is an amenable number.

20213342241424 is a deficient number, since it is larger than the sum of its proper divisors (18978783816476).

20213342241424 is a wasteful number, since it uses less digits than its factorization.

20213342241424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928240818 (or 928240812 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 20213342241424 its reverse (42414224331202), we get a palindrome (62627566572626).

The spelling of 20213342241424 in words is "twenty trillion, two hundred thirteen billion, three hundred forty-two million, two hundred forty-one thousand, four hundred twenty-four".