1002020133331 has 8 divisors (see below), whose sum is σ = 1148155858944. Its totient is φ = 856631905800.

The previous prime is 1002020133313. The next prime is 1002020133349. The reversal of 1002020133331 is 1333310202001.

It is an interprime number because it is at equal distance from previous prime (1002020133313) and next prime (1002020133349).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1002020133331 - 2⁷ = 1002020133203 is a prime.

It is a super-2 number, since 2×1002020133331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1002020133299 and 1002020133308.

It is not an unprimeable number, because it can be changed into a prime (1002020173331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186871645 + ... + 186877006.

It is an arithmetic number, because the mean of its divisors is an integer number (143519482368).

Almost surely, 2^{1002020133331} is an apocalyptic number.

1002020133331 is a deficient number, since it is larger than the sum of its proper divisors (146135725613).

1002020133331 is an equidigital number, since it uses as much as digits as its factorization.

1002020133331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373749041.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 1002020133331 its reverse (1333310202001), we get a palindrome (2335330335332).

The spelling of 1002020133331 in words is "one trillion, two billion, twenty million, one hundred thirty-three thousand, three hundred thirty-one".