20034531143425 has 48 divisors (see below), whose sum is σ = 25717122649600. Its totient is φ = 15466560422400.

The previous prime is 20034531143359. The next prime is 20034531143437. The reversal of 20034531143425 is 52434113543002.

It is not a de Polignac number, because 20034531143425 - 2¹¹ = 20034531141377 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 397666837 + ... + 397717213.

Almost surely, 2^{20034531143425} is an apocalyptic number.

20034531143425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20034531143425 is a deficient number, since it is larger than the sum of its proper divisors (5682591506175).

20034531143425 is a wasteful number, since it uses less digits than its factorization.

20034531143425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51866 (or 51861 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 37.

Adding to 20034531143425 its reverse (52434113543002), we get a palindrome (72468644686427).

The spelling of 20034531143425 in words is "twenty trillion, thirty-four billion, five hundred thirty-one million, one hundred forty-three thousand, four hundred twenty-five".