1020660201 has 24 divisors (see below), whose sum is σ = 1609320960. Its totient is φ = 618194400.

The previous prime is 1020660163. The next prime is 1020660203.

It is a happy number.

1020660201 is a `hidden beast` number, since 1 + 0 + 2 + 0 + 660 + 2 + 0 + 1 = 666.

1020660201 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 1020660201 - 2¹⁰ = 1020659177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1020660203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 283231 + ... + 286811.

It is an arithmetic number, because the mean of its divisors is an integer number (67055040).

Almost surely, 2^1020660201 is an apocalyptic number.

1020660201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1020660201 is a deficient number, since it is larger than the sum of its proper divisors (588660759).

1020660201 is a wasteful number, since it uses less digits than its factorization.

1020660201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6477 (or 6474 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1020660201 is about 31947.7730209791. The cubic root of 1020660201 is about 1006.8398435431.

It can be divided in two parts, 10206 and 60201, that added together give a palindrome (70407).

The spelling of 1020660201 in words is "one billion, twenty million, six hundred sixty thousand, two hundred one".