202011021002 has 40 divisors (see below), whose sum is σ = 359293827012. Its totient is φ = 85156747200.

The previous prime is 202011021001. The next prime is 202011021031. The reversal of 202011021002 is 200120110202.

It is a happy number.

202011021002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 197039219881 + 4971801121 = 443891^2 + 70511^2 .

It is not an unprimeable number, because it can be changed into a prime (202011021001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 51899 + ... + 637742.

Almost surely, 2^202011021002 is an apocalyptic number.

202011021002 is a deficient number, since it is larger than the sum of its proper divisors (157282806010).

202011021002 is an frugal number, since it uses more digits than its factorization.

202011021002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689732 (or 689711 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 202011021002 its reverse (200120110202), we get a palindrome (402131131204).

The spelling of 202011021002 in words is "two hundred two billion, eleven million, twenty-one thousand, two".