1020213205 has 8 divisors (see below), whose sum is σ = 1335551904. Its totient is φ = 741973200.

The previous prime is 1020213199. The next prime is 1020213217. The reversal of 1020213205 is 5023120201.

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

It is a de Polignac number, because none of the positive numbers 2^k-1020213205 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, 9274611 + ... + 9274720.

It is an arithmetic number, because the mean of its divisors is an integer number (166943988).

Almost surely, 2^1020213205 is an apocalyptic number.

It is an amenable number.

1020213205 is a deficient number, since it is larger than the sum of its proper divisors (315338699).

1020213205 is a wasteful number, since it uses less digits than its factorization.

1020213205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18549347.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1020213205 is about 31940.7765246871. The cubic root of 1020213205 is about 1006.6928409468.

Adding to 1020213205 its reverse (5023120201), we get a palindrome (6043333406).

The spelling of 1020213205 in words is "one billion, twenty million, two hundred thirteen thousand, two hundred five".