20323120202 has 16 divisors (see below), whose sum is σ = 38006874432. Its totient is φ = 7918098720.

The previous prime is 20323120199. The next prime is 20323120231. The reversal of 20323120202 is 20202132302.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 65984003 + ... + 65984310.

It is an arithmetic number, because the mean of its divisors is an integer number (2375429652).

Almost surely, 2^20323120202 is an apocalyptic number.

20323120202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20323120202 is a deficient number, since it is larger than the sum of its proper divisors (17683754230).

20323120202 is a wasteful number, since it uses less digits than its factorization.

20323120202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131968333.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 20323120202 its reverse (20202132302), we get a palindrome (40525252504).

The spelling of 20323120202 in words is "twenty billion, three hundred twenty-three million, one hundred twenty thousand, two hundred two".