20034531143424 has 108 divisors (see below), whose sum is σ = 66016562744496. Its totient is φ = 5724151750656.

The previous prime is 20034531143359. The next prime is 20034531143437. The reversal of 20034531143424 is 42434113543002.

20034531143424 is a `hidden beast` number, since 20 + 0 + 3 + 45 + 31 + 143 + 424 = 666.

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

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 621094089 + ... + 621126344.

Almost surely, 2^{20034531143424} is an apocalyptic number.

20034531143424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20034531143424 is an abundant number, since it is smaller than the sum of its proper divisors (45982031601072).

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

20034531143424 is a wasteful number, since it uses less digits than its factorization.

20034531143424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1242220462 (or 1242220445 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

Adding to 20034531143424 its reverse (42434113543002), we get a palindrome (62468644686426).

The spelling of 20034531143424 in words is "twenty trillion, thirty-four billion, five hundred thirty-one million, one hundred forty-three thousand, four hundred twenty-four".