1300203020 has 24 divisors (see below), whose sum is σ = 2741860800. Its totient is φ = 517903232.

The previous prime is 1300203007. The next prime is 1300203043. The reversal of 1300203020 is 203020031.

It is a junction number, because it is equal to n+sod(n) for n = 1300202992 and 1300203010.

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, 131225 + ... + 140784.

It is an arithmetic number, because the mean of its divisors is an integer number (114244200).

Almost surely, 2^1300203020 is an apocalyptic number.

1300203020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1300203020 is an abundant number, since it is smaller than the sum of its proper divisors (1441657780).

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

1300203020 is a wasteful number, since it uses less digits than its factorization.

1300203020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272257 (or 272255 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 1300203020 is about 36058.3280255755. The cubic root of 1300203020 is about 1091.4496940995.

Adding to 1300203020 its reverse (203020031), we get a palindrome (1503223051).

The spelling of 1300203020 in words is "one billion, three hundred million, two hundred three thousand, twenty".