1020365264 has 20 divisors (see below), whose sum is σ = 2001984960. Its totient is φ = 503724000.

The previous prime is 1020365263. The next prime is 1020365309. The reversal of 1020365264 is 4625630201.

It is a super-2 number, since 2×1020365264² = 2082290543955579392, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020365263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 402362 + ... + 404889.

It is an arithmetic number, because the mean of its divisors is an integer number (100099248).

Almost surely, 2^1020365264 is an apocalyptic number.

It is an amenable number.

1020365264 is a deficient number, since it is larger than the sum of its proper divisors (981619696).

1020365264 is an equidigital number, since it uses as much as digits as its factorization.

1020365264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807338 (or 807332 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 1020365264 is about 31943.1567632255. The cubic root of 1020365264 is about 1006.7428530754.

Adding to 1020365264 its reverse (4625630201), we get a palindrome (5645995465).

The spelling of 1020365264 in words is "one billion, twenty million, three hundred sixty-five thousand, two hundred sixty-four".