2000020012221 has 32 divisors (see below), whose sum is σ = 3520279692288. Its totient is φ = 977855466240.

The previous prime is 2000020012217. The next prime is 2000020012223. The reversal of 2000020012221 is 1222100200002.

It is not a de Polignac number, because 2000020012221 - 2² = 2000020012217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2000020012197 and 2000020012206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000020012223) 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, 254645935 + ... + 254653788.

It is an arithmetic number, because the mean of its divisors is an integer number (110008740384).

Almost surely, 2^{2000020012221} is an apocalyptic number.

2000020012221 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2000020012221 is a deficient number, since it is larger than the sum of its proper divisors (1520259680067).

2000020012221 is a wasteful number, since it uses less digits than its factorization.

2000020012221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509299761.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 2000020012221 its reverse (1222100200002), we get a palindrome (3222120212223).

The spelling of 2000020012221 in words is "two trillion, twenty million, twelve thousand, two hundred twenty-one".