20203312210 has 64 divisors (see below), whose sum is σ = 40144781952. Its totient is φ = 7288759296.

The previous prime is 20203312183. The next prime is 20203312223. The reversal of 20203312210 is 1221330202.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 361357 + ... + 413503.

It is an arithmetic number, because the mean of its divisors is an integer number (627262218).

Almost surely, 2^20203312210 is an apocalyptic number.

20203312210 is a deficient number, since it is larger than the sum of its proper divisors (19941469742).

20203312210 is a wasteful number, since it uses less digits than its factorization.

20203312210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52267.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20203312210 its reverse (1221330202), we get a palindrome (21424642412).

The spelling of 20203312210 in words is "twenty billion, two hundred three million, three hundred twelve thousand, two hundred ten".