1002303003220 has 12 divisors (see below), whose sum is σ = 2104836306804. Its totient is φ = 400921201280.

The previous prime is 1002303003199. The next prime is 1002303003241. The reversal of 1002303003220 is 223003032001.

It is an interprime number because it is at equal distance from previous prime (1002303003199) and next prime (1002303003241).

It can be written as a sum of positive squares in 2 ways, for example, as 122642841616 + 879660161604 = 350204^2 + 937902^2 .

It is a super-2 number, since 2×1002303003220² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1002303003194 and 1002303003203.

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, 25057575061 + ... + 25057575100.

It is an arithmetic number, because the mean of its divisors is an integer number (175403025567).

Almost surely, 2^{1002303003220} is an apocalyptic number.

1002303003220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1002303003220 is an abundant number, since it is smaller than the sum of its proper divisors (1102533303584).

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

1002303003220 is a wasteful number, since it uses less digits than its factorization.

1002303003220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50115150170 (or 50115150168 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 1002303003220 its reverse (223003032001), we get a palindrome (1225306035221).

The spelling of 1002303003220 in words is "one trillion, two billion, three hundred three million, three thousand, two hundred twenty".