2003520132 has 72 divisors (see below), whose sum is σ = 5360788160. Its totient is φ = 629156160.

The previous prime is 2003520107. The next prime is 2003520221. The reversal of 2003520132 is 2310253002.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 115713 + ... + 131895.

Almost surely, 2^2003520132 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 2003520132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2680394080).

2003520132 is an abundant number, since it is smaller than the sum of its proper divisors (3357268028).

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

2003520132 is a wasteful number, since it uses less digits than its factorization.

2003520132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16393 (or 16388 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 2003520132 is about 44760.6985200187. The cubic root of 2003520132 is about 1260.6597980499.

Adding to 2003520132 its reverse (2310253002), we get a palindrome (4313773134).

The spelling of 2003520132 in words is "two billion, three million, five hundred twenty thousand, one hundred thirty-two".