20330365025 has 48 divisors (see below), whose sum is σ = 27617022576. Its totient is φ = 14783569920.

The previous prime is 20330365007. The next prime is 20330365039. The reversal of 20330365025 is 52056303302.

It can be written as a sum of positive squares in 24 ways, for example, as 4218632401 + 16111732624 = 64951^2 + 126932^2 .

It is not a de Polignac number, because 20330365025 - 2¹² = 20330360929 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2149607 + ... + 2159043.

It is an arithmetic number, because the mean of its divisors is an integer number (575354637).

Almost surely, 2^20330365025 is an apocalyptic number.

20330365025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20330365025 is a deficient number, since it is larger than the sum of its proper divisors (7286657551).

20330365025 is a wasteful number, since it uses less digits than its factorization.

20330365025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9638 (or 9633 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 29.

Adding to 20330365025 its reverse (52056303302), we get a palindrome (72386668327).

The spelling of 20330365025 in words is "twenty billion, three hundred thirty million, three hundred sixty-five thousand, twenty-five".