20555246312 has 32 divisors (see below), whose sum is σ = 41757249600. Its totient is φ = 9448099584.

The previous prime is 20555246297. The next prime is 20555246321. The reversal of 20555246312 is 21364255502.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1751612 + ... + 1763307.

It is an arithmetic number, because the mean of its divisors is an integer number (1304914050).

Almost surely, 2^20555246312 is an apocalyptic number.

It is an amenable number.

20555246312 is an abundant number, since it is smaller than the sum of its proper divisors (21202003288).

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

20555246312 is a wasteful number, since it uses less digits than its factorization.

20555246312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3514985 (or 3514981 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 20555246312 in words is "twenty billion, five hundred fifty-five million, two hundred forty-six thousand, three hundred twelve".