20220221343 has 8 divisors (see below), whose sum is σ = 30811765888. Its totient is φ = 11554412184.

The previous prime is 20220221339. The next prime is 20220221347. The reversal of 20220221343 is 34312202202.

It is an interprime number because it is at equal distance from previous prime (20220221339) and next prime (20220221347).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20220221343 - 2² = 20220221339 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 962867683 = 20220221343 / (2 + 0 + 2 + 2 + 0 + 2 + 2 + 1 + 3 + 4 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20220221347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 481433821 + ... + 481433862.

It is an arithmetic number, because the mean of its divisors is an integer number (3851470736).

Almost surely, 2^20220221343 is an apocalyptic number.

20220221343 is a deficient number, since it is larger than the sum of its proper divisors (10591544545).

20220221343 is an equidigital number, since it uses as much as digits as its factorization.

20220221343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962867693.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 20220221343 its reverse (34312202202), we get a palindrome (54532423545).

The spelling of 20220221343 in words is "twenty billion, two hundred twenty million, two hundred twenty-one thousand, three hundred forty-three".