20132221020321 has 16 divisors (see below), whose sum is σ = 28638920616768. Its totient is φ = 12535554470400.

The previous prime is 20132221020313. The next prime is 20132221020449. The reversal of 20132221020321 is 12302012223102.

It is not a de Polignac number, because 20132221020321 - 2³ = 20132221020313 is a prime.

It is a super-2 number, since 2×20132221020321² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20132226020321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1506670540 + ... + 1506683901.

It is an arithmetic number, because the mean of its divisors is an integer number (1789932538548).

Almost surely, 2^{20132221020321} is an apocalyptic number.

It is an amenable number.

20132221020321 is a deficient number, since it is larger than the sum of its proper divisors (8506699596447).

20132221020321 is a wasteful number, since it uses less digits than its factorization.

20132221020321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3013354592.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 20132221020321 its reverse (12302012223102), we get a palindrome (32434233243423).

The spelling of 20132221020321 in words is "twenty trillion, one hundred thirty-two billion, two hundred twenty-one million, twenty thousand, three hundred twenty-one".