20134200132 has 120 divisors (see below), whose sum is σ = 54023672472. Its totient is φ = 6534950400.

The previous prime is 20134200103. The next prime is 20134200167. The reversal of 20134200132 is 23100243102.

It can be written as a sum of positive squares in 4 ways, for example, as 507871296 + 19626328836 = 22536^2 + 140094^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 8779578 + ... + 8781870.

Almost surely, 2^20134200132 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 20134200132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27011836236).

20134200132 is an abundant number, since it is smaller than the sum of its proper divisors (33889472340).

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

20134200132 is a wasteful number, since it uses less digits than its factorization.

20134200132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3011 (or 3000 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20134200132 its reverse (23100243102), we get a palindrome (43234443234).

The spelling of 20134200132 in words is "twenty billion, one hundred thirty-four million, two hundred thousand, one hundred thirty-two".