20144646753112 has 64 divisors (see below), whose sum is σ = 43494390296640. Its totient is φ = 8567997388800.

The previous prime is 20144646753059. The next prime is 20144646753223. The reversal of 20144646753112 is 21135764644102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27106812 + ... + 27840052.

It is an arithmetic number, because the mean of its divisors is an integer number (679599848385).

Almost surely, 2^{20144646753112} is an apocalyptic number.

It is an amenable number.

20144646753112 is an abundant number, since it is smaller than the sum of its proper divisors (23349743543528).

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

20144646753112 is a wasteful number, since it uses less digits than its factorization.

20144646753112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736972 (or 736968 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 46.

The spelling of 20144646753112 in words is "twenty trillion, one hundred forty-four billion, six hundred forty-six million, seven hundred fifty-three thousand, one hundred twelve".