1020001330 has 8 divisors (see below), whose sum is σ = 1836002412. Its totient is φ = 408000528.

The previous prime is 1020001303. The next prime is 1020001337. The reversal of 1020001330 is 331000201.

It can be written as a sum of positive squares in 2 ways, for example, as 963916209 + 56085121 = 31047^2 + 7489^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (10), and also a Moran number because the ratio is a prime number: 102000133 = 1020001330 / (1 + 0 + 2 + 0 + 0 + 0 + 1 + 3 + 3 + 0).

It is not an unprimeable number, because it can be changed into a prime (1020001337) 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, 51000057 + ... + 51000076.

Almost surely, 2^1020001330 is an apocalyptic number.

1020001330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020001330 is a deficient number, since it is larger than the sum of its proper divisors (816001082).

1020001330 is a wasteful number, since it uses less digits than its factorization.

1020001330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102000140.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 1020001330 is about 31937.4596672935. The cubic root of 1020001330 is about 1006.6231470789.

Adding to 1020001330 its reverse (331000201), we get a palindrome (1351001531).

The spelling of 1020001330 in words is "one billion, twenty million, one thousand, three hundred thirty".