1301004220 has 48 divisors (see below), whose sum is σ = 2909118240. Its totient is φ = 487030784.

The previous prime is 1301004193. The next prime is 1301004239. The reversal of 1301004220 is 224001031.

It is a super-2 number, since 2×1301004220² = 3385223960915616800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1301004220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50172 + ... + 71548.

It is an arithmetic number, because the mean of its divisors is an integer number (60606630).

Almost surely, 2^1301004220 is an apocalyptic number.

1301004220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1301004220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1454559120).

1301004220 is an abundant number, since it is smaller than the sum of its proper divisors (1608114020).

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

1301004220 is a wasteful number, since it uses less digits than its factorization.

1301004220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21582 (or 21580 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1301004220 is about 36069.4360920711. The cubic root of 1301004220 is about 1091.6738360024.

Adding to 1301004220 its reverse (224001031), we get a palindrome (1525005251).

The spelling of 1301004220 in words is "one billion, three hundred one million, four thousand, two hundred twenty".