1270166020 has 12 divisors (see below), whose sum is σ = 2667348684. Its totient is φ = 508066400.

The previous prime is 1270166011. The next prime is 1270166057. The reversal of 1270166020 is 206610721.

It can be written as a sum of positive squares in 2 ways, for example, as 323496196 + 946669824 = 17986^2 + 30768^2 .

It is a super-2 number, since 2×1270166020² = 3226643436725280800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31754131 + ... + 31754170.

It is an arithmetic number, because the mean of its divisors is an integer number (222279057).

Almost surely, 2^1270166020 is an apocalyptic number.

1270166020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1270166020 is an abundant number, since it is smaller than the sum of its proper divisors (1397182664).

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

1270166020 is a wasteful number, since it uses less digits than its factorization.

1270166020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63508310 (or 63508308 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 1270166020 is about 35639.3886030611. The cubic root of 1270166020 is about 1082.9793193304.

Adding to 1270166020 its reverse (206610721), we get a palindrome (1476776741).

The spelling of 1270166020 in words is "one billion, two hundred seventy million, one hundred sixty-six thousand, twenty".