20252432031 has 8 divisors (see below), whose sum is σ = 29080415280. Its totient is φ = 12463035072.

The previous prime is 20252432017. The next prime is 20252432047. The reversal of 20252432031 is 13023425202.

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

It is not a de Polignac number, because 20252432031 - 2³³ = 11662497439 is a prime.

It is a super-2 number, since 2×20252432031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20252431992 and 20252432010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20252432531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259646526 + ... + 259646603.

It is an arithmetic number, because the mean of its divisors is an integer number (3635051910).

Almost surely, 2^20252432031 is an apocalyptic number.

20252432031 is a deficient number, since it is larger than the sum of its proper divisors (8827983249).

20252432031 is a wasteful number, since it uses less digits than its factorization.

20252432031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519293145.

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 20252432031 its reverse (13023425202), we get a palindrome (33275857233).

The spelling of 20252432031 in words is "twenty billion, two hundred fifty-two million, four hundred thirty-two thousand, thirty-one".