20410530125431 has 4 divisors (see below), whose sum is σ = 21611149544592. Its totient is φ = 19209910706272.

The previous prime is 20410530125393. The next prime is 20410530125459. The reversal of 20410530125431 is 13452103501402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20410530125431 - 2¹⁷ = 20410529994359 is a prime.

It is a super-2 number, since 2×20410530125431² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20410530125393 and 20410530125402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20410530125231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 600309709555 + ... + 600309709588.

It is an arithmetic number, because the mean of its divisors is an integer number (5402787386148).

Almost surely, 2^{20410530125431} is an apocalyptic number.

20410530125431 is a deficient number, since it is larger than the sum of its proper divisors (1200619419161).

20410530125431 is a wasteful number, since it uses less digits than its factorization.

20410530125431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1200619419160.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 20410530125431 its reverse (13452103501402), we get a palindrome (33862633626833).

The spelling of 20410530125431 in words is "twenty trillion, four hundred ten billion, five hundred thirty million, one hundred twenty-five thousand, four hundred thirty-one".