20205435325 has 12 divisors (see below), whose sum is σ = 25297992928. Its totient is φ = 16007410800.

The previous prime is 20205435317. The next prime is 20205435331. The reversal of 20205435325 is 52353450202.

It is not a de Polignac number, because 20205435325 - 2³ = 20205435317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3920811 + ... + 3925960.

Almost surely, 2^20205435325 is an apocalyptic number.

20205435325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20205435325 is a deficient number, since it is larger than the sum of its proper divisors (5092557603).

20205435325 is a wasteful number, since it uses less digits than its factorization.

20205435325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7846884 (or 7846879 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 31.

Adding to 20205435325 its reverse (52353450202), we get a palindrome (72558885527).

It can be divided in two parts, 2020 and 5435325, that added together give a palindrome (5437345).

The spelling of 20205435325 in words is "twenty billion, two hundred five million, four hundred thirty-five thousand, three hundred twenty-five".