1303033012220 has 12 divisors (see below), whose sum is σ = 2736369325704. Its totient is φ = 521213204880.

The previous prime is 1303033012219. The next prime is 1303033012271. The reversal of 1303033012220 is 222103303031.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 65151650611 = 1303033012220 / (1 + 3 + 0 + 3 + 0 + 3 + 3 + 0 + 1 + 2 + 2 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 1303033012192 and 1303033012201.

It is a congruent number.

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, 32575825286 + ... + 32575825325.

It is an arithmetic number, because the mean of its divisors is an integer number (228030777142).

Almost surely, 2^{1303033012220} is an apocalyptic number.

1303033012220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1303033012220 is an abundant number, since it is smaller than the sum of its proper divisors (1433336313484).

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

1303033012220 is a wasteful number, since it uses less digits than its factorization.

1303033012220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65151650620 (or 65151650618 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 1303033012220 its reverse (222103303031), we get a palindrome (1525136315251).

The spelling of 1303033012220 in words is "one trillion, three hundred three billion, thirty-three million, twelve thousand, two hundred twenty".