20021002202 has 32 divisors (see below), whose sum is σ = 32045267520. Its totient is φ = 9354061440.

The previous prime is 20021002159. The next prime is 20021002213. The reversal of 20021002202 is 20220012002.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2054702 + ... + 2064422.

It is an arithmetic number, because the mean of its divisors is an integer number (1001414610).

Almost surely, 2^20021002202 is an apocalyptic number.

20021002202 is a deficient number, since it is larger than the sum of its proper divisors (12024265318).

20021002202 is a wasteful number, since it uses less digits than its factorization.

20021002202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10478.

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 20021002202 its reverse (20220012002), we get a palindrome (40241014204).

The spelling of 20021002202 in words is "twenty billion, twenty-one million, two thousand, two hundred two".