20321122532134 has 16 divisors (see below), whose sum is σ = 30489187379616. Its totient is φ = 10158060265600.

The previous prime is 20321122532107. The next prime is 20321122532143. The reversal of 20321122532134 is 43123522112302.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20321122532096 and 20321122532105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 380654124 + ... + 380707504.

It is an arithmetic number, because the mean of its divisors is an integer number (1905574211226).

Almost surely, 2^{20321122532134} is an apocalyptic number.

20321122532134 is a deficient number, since it is larger than the sum of its proper divisors (10168064847482).

20321122532134 is a wasteful number, since it uses less digits than its factorization.

20321122532134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96671.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 20321122532134 its reverse (43123522112302), we get a palindrome (63444644644436).

The spelling of 20321122532134 in words is "twenty trillion, three hundred twenty-one billion, one hundred twenty-two million, five hundred thirty-two thousand, one hundred thirty-four".