2002012530 has 64 divisors (see below), whose sum is σ = 5507723520. Its totient is φ = 456228864.

The previous prime is 2002012487. The next prime is 2002012541. The reversal of 2002012530 is 352102002.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56626 + ... + 84914.

It is an arithmetic number, because the mean of its divisors is an integer number (86058180).

Almost surely, 2^2002012530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2002012530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2753861760).

2002012530 is an abundant number, since it is smaller than the sum of its proper divisors (3505710990).

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

2002012530 is a wasteful number, since it uses less digits than its factorization.

2002012530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28643.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 2002012530 is about 44743.8546618416. The cubic root of 2002012530 is about 1260.3435130417.

Adding to 2002012530 its reverse (352102002), we get a palindrome (2354114532).

The spelling of 2002012530 in words is "two billion, two million, twelve thousand, five hundred thirty".