20321222301134 has 4 divisors (see below), whose sum is σ = 30481833451704. Its totient is φ = 10160611150566.

The previous prime is 20321222301109. The next prime is 20321222301137. The reversal of 20321222301134 is 43110322212302.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20321222301137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5080305575282 + ... + 5080305575285.

It is an arithmetic number, because the mean of its divisors is an integer number (7620458362926).

Almost surely, 2^{20321222301134} is an apocalyptic number.

20321222301134 is a deficient number, since it is larger than the sum of its proper divisors (10160611150570).

20321222301134 is a wasteful number, since it uses less digits than its factorization.

20321222301134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10160611150569.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 20321222301134 its reverse (43110322212302), we get a palindrome (63431544513436).

The spelling of 20321222301134 in words is "twenty trillion, three hundred twenty-one billion, two hundred twenty-two million, three hundred one thousand, one hundred thirty-four".