20144301332 has 72 divisors (see below), whose sum is σ = 38081248128. Its totient is φ = 9314403840.

The previous prime is 20144301329. The next prime is 20144301337. The reversal of 20144301332 is 23310344102.

It is a junction number, because it is equal to n+sod(n) for n = 20144301298 and 20144301307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20144301337) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7767428 + ... + 7770020.

It is an arithmetic number, because the mean of its divisors is an integer number (528906224).

Almost surely, 2^20144301332 is an apocalyptic number.

It is an amenable number.

20144301332 is a deficient number, since it is larger than the sum of its proper divisors (17936946796).

20144301332 is a wasteful number, since it uses less digits than its factorization.

20144301332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2749 (or 2716 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 20144301332 its reverse (23310344102), we get a palindrome (43454645434).

The spelling of 20144301332 in words is "twenty billion, one hundred forty-four million, three hundred one thousand, three hundred thirty-two".