1202005566 has 24 divisors (see below), whose sum is σ = 2628242760. Its totient is φ = 396992016.

The previous prime is 1202005561. The next prime is 1202005573. The reversal of 1202005566 is 6655002021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202005561) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 304360 + ... + 308283.

It is an arithmetic number, because the mean of its divisors is an integer number (109510115).

Almost surely, 2^1202005566 is an apocalyptic number.

1202005566 is an abundant number, since it is smaller than the sum of its proper divisors (1426237194).

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

1202005566 is a wasteful number, since it uses less digits than its factorization.

1202005566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612760 (or 612757 counting only the distinct ones).

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

The square root of 1202005566 is about 34669.9519180515. The cubic root of 1202005566 is about 1063.2502485394.

Adding to 1202005566 its reverse (6655002021), we get a palindrome (7857007587).

The spelling of 1202005566 in words is "one billion, two hundred two million, five thousand, five hundred sixty-six".