1020210220205 has 8 divisors (see below), whose sum is σ = 1335547924704. Its totient is φ = 741971069200.

The previous prime is 1020210220123. The next prime is 1020210220213. The reversal of 1020210220205 is 5020220120201.

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

It is not a de Polignac number, because 1020210220205 - 2¹⁴ = 1020210203821 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 9274638311 + ... + 9274638420.

It is an arithmetic number, because the mean of its divisors is an integer number (166943490588).

Almost surely, 2^{1020210220205} is an apocalyptic number.

It is an amenable number.

1020210220205 is a deficient number, since it is larger than the sum of its proper divisors (315337704499).

1020210220205 is a wasteful number, since it uses less digits than its factorization.

1020210220205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18549276747.

The product of its (nonzero) digits is 160, while the sum is 17.

Adding to 1020210220205 its reverse (5020220120201), we get a palindrome (6040430340406).

The spelling of 1020210220205 in words is "one trillion, twenty billion, two hundred ten million, two hundred twenty thousand, two hundred five".