1303890220 has 24 divisors (see below), whose sum is σ = 2745941184. Its totient is φ = 520075776.

The previous prime is 1303890193. The next prime is 1303890223. The reversal of 1303890220 is 220983031.

It is not an unprimeable number, because it can be changed into a prime (1303890223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85284 + ... + 99403.

It is an arithmetic number, because the mean of its divisors is an integer number (114414216).

Almost surely, 2^1303890220 is an apocalyptic number.

1303890220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1303890220 is an abundant number, since it is smaller than the sum of its proper divisors (1442050964).

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

1303890220 is a wasteful number, since it uses less digits than its factorization.

1303890220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185049 (or 185047 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 1303890220 is about 36109.4201005776. The cubic root of 1303890220 is about 1092.4804549424.

The spelling of 1303890220 in words is "one billion, three hundred three million, eight hundred ninety thousand, two hundred twenty".