1020065562 has 20 divisors (see below), whose sum is σ = 2285702826. Its totient is φ = 340021800.

The previous prime is 1020065537. The next prime is 1020065593. The reversal of 1020065562 is 2655600201.

1020065562 is a `hidden beast` number, since 1 + 0 + 2 + 0 + 0 + 655 + 6 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 782936361 + 237129201 = 27981^2 + 15399^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3148189 + ... + 3148512.

Almost surely, 2^1020065562 is an apocalyptic number.

1020065562 is an abundant number, since it is smaller than the sum of its proper divisors (1265637264).

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

1020065562 is an equidigital number, since it uses as much as digits as its factorization.

1020065562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6296715 (or 6296706 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 1020065562 is about 31938.4652417739. The cubic root of 1020065562 is about 1006.6442764830.

Adding to 1020065562 its reverse (2655600201), we get a palindrome (3675665763).

The spelling of 1020065562 in words is "one billion, twenty million, sixty-five thousand, five hundred sixty-two".