20343212122302 has 384 divisors, whose sum is σ = 53599194754560. Its totient is φ = 5739315056640.

The previous prime is 20343212122297. The next prime is 20343212122309. The reversal of 20343212122302 is 20322121234302.

20343212122302 is a `hidden beast` number, since 2 + 0 + 3 + 432 + 1 + 2 + 1 + 223 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20343212122309) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 238092913 + ... + 238178339.

It is an arithmetic number, because the mean of its divisors is an integer number (139581236340).

Almost surely, 2^{20343212122302} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20343212122302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26799597377280).

20343212122302 is an abundant number, since it is smaller than the sum of its proper divisors (33255982632258).

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

20343212122302 is a wasteful number, since it uses less digits than its factorization.

20343212122302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85558 (or 85546 counting only the distinct ones).

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

Adding to 20343212122302 its reverse (20322121234302), we get a palindrome (40665333356604).

The spelling of 20343212122302 in words is "twenty trillion, three hundred forty-three billion, two hundred twelve million, one hundred twenty-two thousand, three hundred two".