20144321412 has 24 divisors (see below), whose sum is σ = 47318880000. Its totient is φ = 6669707616.

The previous prime is 20144321369. The next prime is 20144321419. The reversal of 20144321412 is 21412344102.

It is not an unprimeable number, because it can be changed into a prime (20144321419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5631412 + ... + 5634987.

It is an arithmetic number, because the mean of its divisors is an integer number (1971620000).

Almost surely, 2^20144321412 is an apocalyptic number.

It is an amenable number.

20144321412 is an abundant number, since it is smaller than the sum of its proper divisors (27174558588).

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

20144321412 is a wasteful number, since it uses less digits than its factorization.

20144321412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11266555 (or 11266553 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 20144321412 its reverse (21412344102), we get a palindrome (41556665514).

The spelling of 20144321412 in words is "twenty billion, one hundred forty-four million, three hundred twenty-one thousand, four hundred twelve".