20231312632064 has 18 divisors (see below), whose sum is σ = 40383596699670. Its totient is φ = 10115656315904.

The previous prime is 20231312632043. The next prime is 20231312632127. The reversal of 20231312632064 is 46023621313202.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 19843532433664 + 387780198400 = 4454608^2 + 622720^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39514282229 + ... + 39514282740.

Almost surely, 2^{20231312632064} is an apocalyptic number.

It is an amenable number.

20231312632064 is a deficient number, since it is larger than the sum of its proper divisors (20152284067606).

20231312632064 is an frugal number, since it uses more digits than its factorization.

20231312632064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79028564985 (or 79028564971 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 35.

Adding to 20231312632064 its reverse (46023621313202), we get a palindrome (66254933945266).

The spelling of 20231312632064 in words is "twenty trillion, two hundred thirty-one billion, three hundred twelve million, six hundred thirty-two thousand, sixty-four".