1065020022 has 64 divisors (see below), whose sum is σ = 2618334720. Its totient is φ = 318175200.

The previous prime is 1065020009. The next prime is 1065020023. The reversal of 1065020022 is 2200205601.

1065020022 is a `hidden beast` number, since 10 + 650 + 2 + 0 + 0 + 2 + 2 = 666.

It is a super-2 number, since 2×1065020022² = 2268535294521760968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1065019977 and 1065020004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1065020023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29548 + ... + 54800.

It is an arithmetic number, because the mean of its divisors is an integer number (40911480).

Almost surely, 2^1065020022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1065020022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1309167360).

1065020022 is an abundant number, since it is smaller than the sum of its proper divisors (1553314698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1065020022 is a wasteful number, since it uses less digits than its factorization.

1065020022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25346 (or 25340 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1065020022 is about 32634.6445054945. The cubic root of 1065020022 is about 1021.2198726872.

Adding to 1065020022 its reverse (2200205601), we get a palindrome (3265225623).

The spelling of 1065020022 in words is "one billion, sixty-five million, twenty thousand, twenty-two".