20345325655136 has 12 divisors (see below), whose sum is σ = 40054859883612. Its totient is φ = 10172662827552.

The previous prime is 20345325655121. The next prime is 20345325655147. The reversal of 20345325655136 is 63155652354302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317895713330 + ... + 317895713393.

It is an arithmetic number, because the mean of its divisors is an integer number (3337904990301).

Almost surely, 2^{20345325655136} is an apocalyptic number.

It is an amenable number.

20345325655136 is a deficient number, since it is larger than the sum of its proper divisors (19709534228476).

20345325655136 is an equidigital number, since it uses as much as digits as its factorization.

20345325655136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635791426733 (or 635791426725 counting only the distinct ones).

The product of its (nonzero) digits is 9720000, while the sum is 50.

The spelling of 20345325655136 in words is "twenty trillion, three hundred forty-five billion, three hundred twenty-five million, six hundred fifty-five thousand, one hundred thirty-six".