20432433025 has 48 divisors (see below), whose sum is σ = 27534956400. Its totient is φ = 14979686400.

The previous prime is 20432433013. The next prime is 20432433031. The reversal of 20432433025 is 52033423402.

It can be written as a sum of positive squares in 24 ways, for example, as 15969124161 + 4463308864 = 126369^2 + 66808^2 .

It is not a de Polignac number, because 20432433025 - 2²⁵ = 20398878593 is a prime.

It is a super-2 number, since 2×20432433025² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20432432984 and 20432433002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13189951 + ... + 13191499.

It is an arithmetic number, because the mean of its divisors is an integer number (573644925).

Almost surely, 2^20432433025 is an apocalyptic number.

20432433025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20432433025 is a deficient number, since it is larger than the sum of its proper divisors (7102523375).

20432433025 is a wasteful number, since it uses less digits than its factorization.

20432433025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2374 (or 2369 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 28.

Adding to 20432433025 its reverse (52033423402), we get a palindrome (72465856427).

The spelling of 20432433025 in words is "twenty billion, four hundred thirty-two million, four hundred thirty-three thousand, twenty-five".