1303020330 has 16 divisors (see below), whose sum is σ = 3127248864. Its totient is φ = 347472080.

The previous prime is 1303020307. The next prime is 1303020337. The reversal of 1303020330 is 330203031.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (1303020337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21716976 + ... + 21717035.

It is an arithmetic number, because the mean of its divisors is an integer number (195453054).

Almost surely, 2^1303020330 is an apocalyptic number.

1303020330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1303020330 is an abundant number, since it is smaller than the sum of its proper divisors (1824228534).

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

1303020330 is a wasteful number, since it uses less digits than its factorization.

1303020330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43434021.

The product of its (nonzero) digits is 162, while the sum is 15.

The square root of 1303020330 is about 36097.3728960987. The cubic root of 1303020330 is about 1092.2374515499.

Adding to 1303020330 its reverse (330203031), we get a palindrome (1633223361).

The spelling of 1303020330 in words is "one billion, three hundred three million, twenty thousand, three hundred thirty".