20012201232321 has 32 divisors (see below), whose sum is σ = 27880004315520. Its totient is φ = 12757447180800.

The previous prime is 20012201232299. The next prime is 20012201232347. The reversal of 20012201232321 is 12323210221002.

It is not a de Polignac number, because 20012201232321 - 2¹⁹ = 20012200708033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20012201232521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2589066 + ... + 6835763.

It is an arithmetic number, because the mean of its divisors is an integer number (871250134860).

Almost surely, 2^{20012201232321} is an apocalyptic number.

It is an amenable number.

20012201232321 is a deficient number, since it is larger than the sum of its proper divisors (7867803083199).

20012201232321 is a wasteful number, since it uses less digits than its factorization.

20012201232321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9425217.

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

Adding to 20012201232321 its reverse (12323210221002), we get a palindrome (32335411453323).

The spelling of 20012201232321 in words is "twenty trillion, twelve billion, two hundred one million, two hundred thirty-two thousand, three hundred twenty-one".