1302534220 has 96 divisors (see below), whose sum is σ = 3170797056. Its totient is φ = 445132800.

The previous prime is 1302534197. The next prime is 1302534221. The reversal of 1302534220 is 224352031.

It is a junction number, because it is equal to n+sod(n) for n = 1302534191 and 1302534200.

It is not an unprimeable number, because it can be changed into a prime (1302534221) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 267205 + ... + 272035.

It is an arithmetic number, because the mean of its divisors is an integer number (33029136).

Almost surely, 2^1302534220 is an apocalyptic number.

1302534220 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 1302534220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1585398528).

1302534220 is an abundant number, since it is smaller than the sum of its proper divisors (1868262836).

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

1302534220 is a wasteful number, since it uses less digits than its factorization.

1302534220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4931 (or 4929 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 1302534220 is about 36090.6389525040. The cubic root of 1302534220 is about 1092.1016098252.

Adding to 1302534220 its reverse (224352031), we get a palindrome (1526886251).

The spelling of 1302534220 in words is "one billion, three hundred two million, five hundred thirty-four thousand, two hundred twenty".