2002521372 has 12 divisors (see below), whose sum is σ = 4672549896. Its totient is φ = 667507120.

The previous prime is 2002521349. The next prime is 2002521373. The reversal of 2002521372 is 2731252002.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002521373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83438379 + ... + 83438402.

It is an arithmetic number, because the mean of its divisors is an integer number (389379158).

Almost surely, 2^2002521372 is an apocalyptic number.

It is an amenable number.

2002521372 is an abundant number, since it is smaller than the sum of its proper divisors (2670028524).

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

2002521372 is a wasteful number, since it uses less digits than its factorization.

2002521372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166876788 (or 166876786 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 2002521372 is about 44749.5404669143. The cubic root of 2002521372 is about 1260.4502825013.

Adding to 2002521372 its reverse (2731252002), we get a palindrome (4733773374).

The spelling of 2002521372 in words is "two billion, two million, five hundred twenty-one thousand, three hundred seventy-two".