20332205203256 has 32 divisors (see below), whose sum is σ = 38175658248000. Its totient is φ = 10152036550656.

The previous prime is 20332205203249. The next prime is 20332205203283. The reversal of 20332205203256 is 65230250223302.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23326865 + ... + 24182783.

It is an arithmetic number, because the mean of its divisors is an integer number (1192989320250).

Almost surely, 2^{20332205203256} is an apocalyptic number.

It is an amenable number.

20332205203256 is a deficient number, since it is larger than the sum of its proper divisors (17843453044744).

20332205203256 is a wasteful number, since it uses less digits than its factorization.

20332205203256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860031 (or 860027 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 35.

Adding to 20332205203256 its reverse (65230250223302), we get a palindrome (85562455426558).

The spelling of 20332205203256 in words is "twenty trillion, three hundred thirty-two billion, two hundred five million, two hundred three thousand, two hundred fifty-six".