1300033220 has 24 divisors (see below), whose sum is σ = 2774827608. Its totient is φ = 511488000.

The previous prime is 1300033211. The next prime is 1300033261. The reversal of 1300033220 is 223300031.

It can be written as a sum of positive squares in 4 ways, for example, as 32103556 + 1267929664 = 5666^2 + 35608^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1300033195 and 1300033204.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 531581 + ... + 534020.

It is an arithmetic number, because the mean of its divisors is an integer number (115617817).

Almost surely, 2^1300033220 is an apocalyptic number.

1300033220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1300033220 is an abundant number, since it is smaller than the sum of its proper divisors (1474794388).

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

1300033220 is a wasteful number, since it uses less digits than its factorization.

1300033220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065671 (or 1065669 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 1300033220 is about 36055.9734302099. The cubic root of 1300033220 is about 1091.4021794105.

Adding to 1300033220 its reverse (223300031), we get a palindrome (1523333251).

The spelling of 1300033220 in words is "one billion, three hundred million, thirty-three thousand, two hundred twenty".