1002011202 has 64 divisors (see below), whose sum is σ = 2304614400. Its totient is φ = 322373520.

The previous prime is 1002011201. The next prime is 1002011221. The reversal of 1002011202 is 2021102001.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (1002011201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1035723 + ... + 1036689.

It is an arithmetic number, because the mean of its divisors is an integer number (36009600).

Almost surely, 2^1002011202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1002011202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1152307200).

1002011202 is an abundant number, since it is smaller than the sum of its proper divisors (1302603198).

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

1002011202 is a wasteful number, since it uses less digits than its factorization.

1002011202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1628 (or 1622 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 1002011202 is about 31654.5605245121. The cubic root of 1002011202 is about 1000.6699517311.

Adding to 1002011202 its reverse (2021102001), we get a palindrome (3023113203).

The spelling of 1002011202 in words is "one billion, two million, eleven thousand, two hundred two".