20302103212 has 24 divisors (see below), whose sum is σ = 37403377200. Its totient is φ = 9615560256.

The previous prime is 20302103207. The next prime is 20302103249. The reversal of 20302103212 is 21230120302.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 921558 + ... + 943330.

It is an arithmetic number, because the mean of its divisors is an integer number (1558474050).

Almost surely, 2^20302103212 is an apocalyptic number.

It is an amenable number.

20302103212 is a deficient number, since it is larger than the sum of its proper divisors (17101273988).

20302103212 is a wasteful number, since it uses less digits than its factorization.

20302103212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34065 (or 34063 counting only the distinct ones).

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

Adding to 20302103212 its reverse (21230120302), we get a palindrome (41532223514).

The spelling of 20302103212 in words is "twenty billion, three hundred two million, one hundred three thousand, two hundred twelve".