1301302220 has 48 divisors (see below), whose sum is σ = 2800949760. Its totient is φ = 507688896.

The previous prime is 1301302217. The next prime is 1301302231. The reversal of 1301302220 is 222031031.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1301302195 and 1301302204.

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, 126179 + ... + 136101.

It is an arithmetic number, because the mean of its divisors is an integer number (58353120).

Almost surely, 2^1301302220 is an apocalyptic number.

1301302220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1301302220 is an abundant number, since it is smaller than the sum of its proper divisors (1499647540).

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

1301302220 is a wasteful number, since it uses less digits than its factorization.

1301302220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10094 (or 10092 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1301302220 is about 36073.5667767966. The cubic root of 1301302220 is about 1091.7571803305.

Adding to 1301302220 its reverse (222031031), we get a palindrome (1523333251).

The spelling of 1301302220 in words is "one billion, three hundred one million, three hundred two thousand, two hundred twenty".