1020002221330 has 8 divisors (see below), whose sum is σ = 1836003998412. Its totient is φ = 408000888528.

The previous prime is 1020002221253. The next prime is 1020002221331. The reversal of 1020002221330 is 331222000201.

It can be written as a sum of positive squares in 2 ways, for example, as 1019722294969 + 279926361 = 1009813^2 + 16731^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1020002221331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51000111057 + ... + 51000111076.

Almost surely, 2^{1020002221330} is an apocalyptic number.

1020002221330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020002221330 is a deficient number, since it is larger than the sum of its proper divisors (816001777082).

1020002221330 is a wasteful number, since it uses less digits than its factorization.

1020002221330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102000222140.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 1020002221330 its reverse (331222000201), we get a palindrome (1351224221531).

The spelling of 1020002221330 in words is "one trillion, twenty billion, two million, two hundred twenty-one thousand, three hundred thirty".