1302030020 has 12 divisors (see below), whose sum is σ = 2734263084. Its totient is φ = 520812000.

The previous prime is 1302030013. The next prime is 1302030083. The reversal of 1302030020 is 200302031.

It can be written as a sum of positive squares in 2 ways, for example, as 526518916 + 775511104 = 22946^2 + 27848^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1302029983 and 1302030010.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32550731 + ... + 32550770.

It is an arithmetic number, because the mean of its divisors is an integer number (227855257).

Almost surely, 2^1302030020 is an apocalyptic number.

1302030020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1302030020 is an abundant number, since it is smaller than the sum of its proper divisors (1432233064).

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

1302030020 is a wasteful number, since it uses less digits than its factorization.

1302030020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65101510 (or 65101508 counting only the distinct ones).

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

The square root of 1302030020 is about 36083.6530855733. The cubic root of 1302030020 is about 1091.9606772013.

Adding to 1302030020 its reverse (200302031), we get a palindrome (1502332051).

The spelling of 1302030020 in words is "one billion, three hundred two million, thirty thousand, twenty".