20012303030321 has 16 divisors (see below), whose sum is σ = 24288003696000. Its totient is φ = 16106781374208.

The previous prime is 20012303030309. The next prime is 20012303030323. The reversal of 20012303030321 is 12303030321002.

It is not a de Polignac number, because 20012303030321 - 2²² = 20012298836017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20012303030293 and 20012303030302.

It is not an unprimeable number, because it can be changed into a prime (20012303030323) 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, 665774546 + ... + 665804603.

It is an arithmetic number, because the mean of its divisors is an integer number (1518000231000).

Almost surely, 2^{20012303030321} is an apocalyptic number.

It is an amenable number.

20012303030321 is a deficient number, since it is larger than the sum of its proper divisors (4275700665679).

20012303030321 is a wasteful number, since it uses less digits than its factorization.

20012303030321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1331579288.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 20012303030321 its reverse (12303030321002), we get a palindrome (32315333351323).

The spelling of 20012303030321 in words is "twenty trillion, twelve billion, three hundred three million, thirty thousand, three hundred twenty-one".