1020002022205 has 8 divisors (see below), whose sum is σ = 1236621008952. Its totient is φ = 807589229568.

The previous prime is 1020002022197. The next prime is 1020002022211. The reversal of 1020002022205 is 5022202000201.

It can be written as a sum of positive squares in 4 ways, for example, as 19403932804 + 1000598089401 = 139298^2 + 1000299^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1020002022205 - 2³ = 1020002022197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1051547992 + ... + 1051548961.

It is an arithmetic number, because the mean of its divisors is an integer number (154577626119).

Almost surely, 2^{1020002022205} is an apocalyptic number.

It is an amenable number.

1020002022205 is a deficient number, since it is larger than the sum of its proper divisors (216618986747).

1020002022205 is an equidigital number, since it uses as much as digits as its factorization.

1020002022205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2103097055.

The product of its (nonzero) digits is 160, while the sum is 16.

Adding to 1020002022205 its reverse (5022202000201), we get a palindrome (6042204022406).

The spelling of 1020002022205 in words is "one trillion, twenty billion, two million, twenty-two thousand, two hundred five".