20132434144 has 96 divisors (see below), whose sum is σ = 43463843136. Its totient is φ = 9142149120.

The previous prime is 20132434061. The next prime is 20132434163. The reversal of 20132434144 is 44143423102.

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, 1753029 + ... + 1764475.

It is an arithmetic number, because the mean of its divisors is an integer number (452748366).

Almost surely, 2^20132434144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20132434144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21731921568).

20132434144 is an abundant number, since it is smaller than the sum of its proper divisors (23331408992).

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

20132434144 is a wasteful number, since it uses less digits than its factorization.

20132434144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11588 (or 11580 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 20132434144 its reverse (44143423102), we get a palindrome (64275857246).

It can be divided in two parts, 20132 and 434144, that added together give a square (454276 = 674²).

The spelling of 20132434144 in words is "twenty billion, one hundred thirty-two million, four hundred thirty-four thousand, one hundred forty-four".