20302210312 has 16 divisors (see below), whose sum is σ = 38077102800. Its totient is φ = 10148316240.

The previous prime is 20302210273. The next prime is 20302210349. The reversal of 20302210312 is 21301220302.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 317514 + ... + 376057.

It is an arithmetic number, because the mean of its divisors is an integer number (2379818925).

Almost surely, 2^20302210312 is an apocalyptic number.

It is an amenable number.

20302210312 is a deficient number, since it is larger than the sum of its proper divisors (17774892488).

20302210312 is a wasteful number, since it uses less digits than its factorization.

20302210312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697236 (or 697232 counting only the distinct ones).

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

Adding to 20302210312 its reverse (21301220302), we get a palindrome (41603430614).

The spelling of 20302210312 in words is "twenty billion, three hundred two million, two hundred ten thousand, three hundred twelve".