20322355134 has 64 divisors (see below), whose sum is σ = 43107655680. Its totient is φ = 6373715040.

The previous prime is 20322355127. The next prime is 20322355181. The reversal of 20322355134 is 43155322302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4769497 + ... + 4773755.

It is an arithmetic number, because the mean of its divisors is an integer number (673557120).

Almost surely, 2^20322355134 is an apocalyptic number.

20322355134 is an abundant number, since it is smaller than the sum of its proper divisors (22785300546).

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

20322355134 is a wasteful number, since it uses less digits than its factorization.

20322355134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4845.

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 20322355134 its reverse (43155322302), we get a palindrome (63477677436).

The spelling of 20322355134 in words is "twenty billion, three hundred twenty-two million, three hundred fifty-five thousand, one hundred thirty-four".