20220010221 has 16 divisors (see below), whose sum is σ = 27891033408. Its totient is φ = 13021008000.

The previous prime is 20220010211. The next prime is 20220010249. The reversal of 20220010221 is 12201002202.

It is not a de Polignac number, because 20220010221 - 2¹⁷ = 20219879149 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20220010197 and 20220010206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20220010211) 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, 801391 + ... + 826236.

It is an arithmetic number, because the mean of its divisors is an integer number (1743189588).

Almost surely, 2^20220010221 is an apocalyptic number.

It is an amenable number.

20220010221 is a deficient number, since it is larger than the sum of its proper divisors (7671023187).

20220010221 is a wasteful number, since it uses less digits than its factorization.

20220010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1627772.

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

Adding to 20220010221 its reverse (12201002202), we get a palindrome (32421012423).

The spelling of 20220010221 in words is "twenty billion, two hundred twenty million, ten thousand, two hundred twenty-one".