20403122210 has 32 divisors (see below), whose sum is σ = 39045473280. Its totient is φ = 7659116608.

The previous prime is 20403122197. The next prime is 20403122213. The reversal of 20403122210 is 1222130402.

It is not an unprimeable number, because it can be changed into a prime (20403122213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 824690 + ... + 849069.

It is an arithmetic number, because the mean of its divisors is an integer number (1220171040).

Almost surely, 2^20403122210 is an apocalyptic number.

20403122210 is a deficient number, since it is larger than the sum of its proper divisors (18642351070).

20403122210 is a wasteful number, since it uses less digits than its factorization.

20403122210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1673842.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20403122210 its reverse (1222130402), we get a palindrome (21625252612).

The spelling of 20403122210 in words is "twenty billion, four hundred three million, one hundred twenty-two thousand, two hundred ten".