1303010213220 has 72 divisors (see below), whose sum is σ = 3991597679160. Its totient is φ = 344029094400.

The previous prime is 1303010213209. The next prime is 1303010213231. The reversal of 1303010213220 is 223120103031.

1303010213220 is a `hidden beast` number, since 130 + 301 + 0 + 2 + 13 + 220 = 666.

It is an interprime number because it is at equal distance from previous prime (1303010213209) and next prime (1303010213231).

It can be written as a sum of positive squares in 4 ways, for example, as 159603446016 + 1143406767204 = 399504^2 + 1069302^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1303010213193 and 1303010213202.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35818185 + ... + 35854544.

It is an arithmetic number, because the mean of its divisors is an integer number (55438856655).

Almost surely, 2^{1303010213220} is an apocalyptic number.

1303010213220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1303010213220 is an abundant number, since it is smaller than the sum of its proper divisors (2688587465940).

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

1303010213220 is a wasteful number, since it uses less digits than its factorization.

1303010213220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71672845 (or 71672840 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1303010213220 its reverse (223120103031), we get a palindrome (1526130316251).

The spelling of 1303010213220 in words is "one trillion, three hundred three billion, ten million, two hundred thirteen thousand, two hundred twenty".