20000012033321 has 16 divisors (see below), whose sum is σ = 20093628508800. Its totient is φ = 19906652441088.

The previous prime is 20000012033299. The next prime is 20000012033333. The reversal of 20000012033321 is 12333021000002.

It is a cyclic number.

It is not a de Polignac number, because 20000012033321 - 2¹⁴ = 20000012016937 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20000012033321.

It is not an unprimeable number, because it can be changed into a prime (20000012033341) 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, 374246015 + ... + 374299451.

It is an arithmetic number, because the mean of its divisors is an integer number (1255851781800).

Almost surely, 2^{20000012033321} is an apocalyptic number.

It is an amenable number.

20000012033321 is a deficient number, since it is larger than the sum of its proper divisors (93616475479).

20000012033321 is a wasteful number, since it uses less digits than its factorization.

20000012033321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55808.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 20000012033321 its reverse (12333021000002), we get a palindrome (32333033033323).

The spelling of 20000012033321 in words is "twenty trillion, twelve million, thirty-three thousand, three hundred twenty-one".