20424235324224 has 56 divisors (see below), whose sum is σ = 56388649711680. Its totient is φ = 6512075029504.

The previous prime is 20424235324187. The next prime is 20424235324277. The reversal of 20424235324224 is 42242353242402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2312522229 + ... + 2312531060.

Almost surely, 2^{20424235324224} is an apocalyptic number.

20424235324224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20424235324224 is an abundant number, since it is smaller than the sum of its proper divisors (35964414387456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20424235324224 is a wasteful number, since it uses less digits than its factorization.

20424235324224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4625053327 (or 4625053317 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 39.

Adding to 20424235324224 its reverse (42242353242402), we get a palindrome (62666588566626).

The spelling of 20424235324224 in words is "twenty trillion, four hundred twenty-four billion, two hundred thirty-five million, three hundred twenty-four thousand, two hundred twenty-four".