20302212212 has 24 divisors (see below), whose sum is σ = 36049574400. Its totient is φ = 10002841056.

The previous prime is 20302212199. The next prime is 20302212223. The reversal of 20302212212 is 21221220302.

It is a congruent number.

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, 97733 + ... + 223955.

It is an arithmetic number, because the mean of its divisors is an integer number (1502065600).

Almost surely, 2^20302212212 is an apocalyptic number.

It is an amenable number.

20302212212 is a deficient number, since it is larger than the sum of its proper divisors (15747362188).

20302212212 is a wasteful number, since it uses less digits than its factorization.

20302212212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126815 (or 126813 counting only the distinct ones).

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

Adding to 20302212212 its reverse (21221220302), we get a palindrome (41523432514).

The spelling of 20302212212 in words is "twenty billion, three hundred two million, two hundred twelve thousand, two hundred twelve".