20425524435031 has 8 divisors (see below), whose sum is σ = 21084667084800. Its totient is φ = 19766397708120.

The previous prime is 20425524435011. The next prime is 20425524435049. The reversal of 20425524435031 is 13053442552402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20425524435031 - 2³⁵ = 20391164696663 is a prime.

It is a super-2 number, since 2×20425524435031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20425524435011) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1346071 + ... + 6531688.

It is an arithmetic number, because the mean of its divisors is an integer number (2635583385600).

Almost surely, 2^{20425524435031} is an apocalyptic number.

20425524435031 is a deficient number, since it is larger than the sum of its proper divisors (659142649769).

20425524435031 is an equidigital number, since it uses as much as digits as its factorization.

20425524435031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7961429.

The product of its (nonzero) digits is 576000, while the sum is 40.

Adding to 20425524435031 its reverse (13053442552402), we get a palindrome (33478966987433).

The spelling of 20425524435031 in words is "twenty trillion, four hundred twenty-five billion, five hundred twenty-four million, four hundred thirty-five thousand, thirty-one".