20253432421224 has 32 divisors (see below), whose sum is σ = 56259534504000. Its totient is φ = 6751144140336.

The previous prime is 20253432421213. The next prime is 20253432421309. The reversal of 20253432421224 is 42212423435202.

20253432421224 is a `hidden beast` number, since 2 + 0 + 2 + 5 + 3 + 4 + 3 + 2 + 421 + 224 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46882945204 + ... + 46882945635.

It is an arithmetic number, because the mean of its divisors is an integer number (1758110453250).

Almost surely, 2^{20253432421224} is an apocalyptic number.

20253432421224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20253432421224 is an abundant number, since it is smaller than the sum of its proper divisors (36006102082776).

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

20253432421224 is a wasteful number, since it uses less digits than its factorization.

20253432421224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93765890854 (or 93765890844 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 36.

Adding to 20253432421224 its reverse (42212423435202), we get a palindrome (62465855856426).

The spelling of 20253432421224 in words is "twenty trillion, two hundred fifty-three billion, four hundred thirty-two million, four hundred twenty-one thousand, two hundred twenty-four".