20302134043212 has 108 divisors (see below), whose sum is σ = 59783106526416. Its totient is φ = 5792334609600.

The previous prime is 20302134043189. The next prime is 20302134043277. The reversal of 20302134043212 is 21234043120302.

20302134043212 is a `hidden beast` number, since 2 + 0 + 3 + 0 + 213 + 4 + 0 + 432 + 12 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6972528 + ... + 9445655.

It is an arithmetic number, because the mean of its divisors is an integer number (553547282652).

Almost surely, 2^{20302134043212} is an apocalyptic number.

It is an amenable number.

20302134043212 is an abundant number, since it is smaller than the sum of its proper divisors (39480972483204).

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

20302134043212 is a wasteful number, since it uses less digits than its factorization.

20302134043212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16418908 (or 16418896 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 20302134043212 its reverse (21234043120302), we get a palindrome (41536177163514).

The spelling of 20302134043212 in words is "twenty trillion, three hundred two billion, one hundred thirty-four million, forty-three thousand, two hundred twelve".