20144132312 has 8 divisors (see below), whose sum is σ = 37770248100. Its totient is φ = 10072066152.

The previous prime is 20144132293. The next prime is 20144132321. The reversal of 20144132312 is 21323144102.

It is a tau number, because it is divible by the number of its divisors (8).

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, 1259008262 + ... + 1259008277.

Almost surely, 2^20144132312 is an apocalyptic number.

It is an amenable number.

20144132312 is a deficient number, since it is larger than the sum of its proper divisors (17626115788).

20144132312 is a wasteful number, since it uses less digits than its factorization.

20144132312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2518016545 (or 2518016541 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 20144132312 its reverse (21323144102), we get a palindrome (41467276414).

The spelling of 20144132312 in words is "twenty billion, one hundred forty-four million, one hundred thirty-two thousand, three hundred twelve".