1020360205 has 8 divisors (see below), whose sum is σ = 1225744632. Its totient is φ = 815413248.

The previous prime is 1020360203. The next prime is 1020360221. The reversal of 1020360205 is 5020630201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 50722884 + 969637321 = 7122^2 + 31139^2 .

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 1020360205 - 2¹ = 1020360203 is a prime.

It is a super-2 number, since 2×1020360205² = 2082269895895284050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020360203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104212 + ... + 113581.

It is an arithmetic number, because the mean of its divisors is an integer number (153218079).

Almost surely, 2^1020360205 is an apocalyptic number.

It is an amenable number.

1020360205 is a deficient number, since it is larger than the sum of its proper divisors (205384427).

1020360205 is an equidigital number, since it uses as much as digits as its factorization.

1020360205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218735.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 1020360205 is about 31943.0775755875. The cubic root of 1020360205 is about 1006.7411892527.

Adding to 1020360205 its reverse (5020630201), we get a palindrome (6040990406).

The spelling of 1020360205 in words is "one billion, twenty million, three hundred sixty thousand, two hundred five".