20514321212 has 48 divisors (see below), whose sum is σ = 44770828032. Its totient is φ = 7990394880.

The previous prime is 20514321203. The next prime is 20514321229. The reversal of 20514321212 is 21212341502.

It is a super-2 number, since 2×20514321212² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1534268 + ... + 1547580.

It is an arithmetic number, because the mean of its divisors is an integer number (932725584).

Almost surely, 2^20514321212 is an apocalyptic number.

20514321212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20514321212 is an abundant number, since it is smaller than the sum of its proper divisors (24256506820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20514321212 is a wasteful number, since it uses less digits than its factorization.

20514321212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18338 (or 18336 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 20514321212 its reverse (21212341502), we get a palindrome (41726662714).

The spelling of 20514321212 in words is "twenty billion, five hundred fourteen million, three hundred twenty-one thousand, two hundred twelve".