20330012020221 has 96 divisors (see below), whose sum is σ = 33327500544000. Its totient is φ = 11879020468224.

The previous prime is 20330012020117. The next prime is 20330012020223. The reversal of 20330012020221 is 12202021003302.

20330012020221 is a `hidden beast` number, since 2 + 0 + 3 + 300 + 120 + 20 + 221 = 666.

It is not a de Polignac number, because 20330012020221 - 2¹³ = 20330012012029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20330012020194 and 20330012020203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20330012020223) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 13141860 + ... + 14607138.

It is an arithmetic number, because the mean of its divisors is an integer number (347161464000).

Almost surely, 2^{20330012020221} is an apocalyptic number.

It is an amenable number.

20330012020221 is a deficient number, since it is larger than the sum of its proper divisors (12997488523779).

20330012020221 is a wasteful number, since it uses less digits than its factorization.

20330012020221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1465443 (or 1465440 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20330012020221 its reverse (12202021003302), we get a palindrome (32532033023523).

The spelling of 20330012020221 in words is "twenty trillion, three hundred thirty billion, twelve million, twenty thousand, two hundred twenty-one".