20755124312 has 32 divisors (see below), whose sum is σ = 42619726800. Its totient is φ = 9416924544.

The previous prime is 20755124311. The next prime is 20755124323. The reversal of 20755124312 is 21342155702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20755124311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1685123 + ... + 1697394.

Almost surely, 2^20755124312 is an apocalyptic number.

It is an amenable number.

20755124312 is an abundant number, since it is smaller than the sum of its proper divisors (21864602488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20755124312 is a wasteful number, since it uses less digits than its factorization.

20755124312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3382595 (or 3382591 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The spelling of 20755124312 in words is "twenty billion, seven hundred fifty-five million, one hundred twenty-four thousand, three hundred twelve".