1002303142220 has 12 divisors (see below), whose sum is σ = 2104836598704. Its totient is φ = 400921256880.

The previous prime is 1002303142207. The next prime is 1002303142261. The reversal of 1002303142220 is 222413032001.

It is a super-2 number, since 2×1002303142220² (a number of 25 digits) contains 22 as substring.

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: 50115157111 = 1002303142220 / (1 + 0 + 0 + 2 + 3 + 0 + 3 + 1 + 4 + 2 + 2 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 1002303142192 and 1002303142201.

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, 25057578536 + ... + 25057578575.

It is an arithmetic number, because the mean of its divisors is an integer number (175403049892).

Almost surely, 2^{1002303142220} is an apocalyptic number.

1002303142220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1002303142220 is an abundant number, since it is smaller than the sum of its proper divisors (1102533456484).

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

1002303142220 is a wasteful number, since it uses less digits than its factorization.

1002303142220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50115157120 (or 50115157118 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 1002303142220 its reverse (222413032001), we get a palindrome (1224716174221).

The spelling of 1002303142220 in words is "one trillion, two billion, three hundred three million, one hundred forty-two thousand, two hundred twenty".