1301004020 has 12 divisors (see below), whose sum is σ = 2732108484. Its totient is φ = 520401600.

The previous prime is 1301004013. The next prime is 1301004031. The reversal of 1301004020 is 204001031.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 804516496 + 496487524 = 28364^2 + 22282^2 .

It is a super-2 number, since 2×1301004020² = 3385222920112320800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1301003992 and 1301004010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32525081 + ... + 32525120.

It is an arithmetic number, because the mean of its divisors is an integer number (227675707).

Almost surely, 2^1301004020 is an apocalyptic number.

1301004020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1301004020 is an abundant number, since it is smaller than the sum of its proper divisors (1431104464).

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

1301004020 is a wasteful number, since it uses less digits than its factorization.

1301004020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65050210 (or 65050208 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1301004020 is about 36069.4333196406. The cubic root of 1301004020 is about 1091.6737800623.

Adding to 1301004020 its reverse (204001031), we get a palindrome (1505005051).

The spelling of 1301004020 in words is "one billion, three hundred one million, four thousand, twenty".