1013020265 has 8 divisors (see below), whose sum is σ = 1236228480. Its totient is φ = 796680112.

The previous prime is 1013020231. The next prime is 1013020277. The reversal of 1013020265 is 5620203101.

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 1013020265 - 2²⁰ = 1011971689 is a prime.

It is a Curzon 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, 1716689 + ... + 1717278.

It is an arithmetic number, because the mean of its divisors is an integer number (154528560).

Almost surely, 2^1013020265 is an apocalyptic number.

It is an amenable number.

1013020265 is a deficient number, since it is larger than the sum of its proper divisors (223208215).

1013020265 is an equidigital number, since it uses as much as digits as its factorization.

1013020265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3434031.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1013020265 is about 31827.9792792442. The cubic root of 1013020265 is about 1004.3213870476.

Adding to 1013020265 its reverse (5620203101), we get a palindrome (6633223366).

The spelling of 1013020265 in words is "one billion, thirteen million, twenty thousand, two hundred sixty-five".