1002101320 has 32 divisors (see below), whose sum is σ = 2459704320. Its totient is φ = 364400320.

The previous prime is 1002101279. The next prime is 1002101323. The reversal of 1002101320 is 231012001.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 1002101297 and 1002101306.

It is not an unprimeable number, because it can be changed into a prime (1002101323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1138312 + ... + 1139191.

It is an arithmetic number, because the mean of its divisors is an integer number (76865760).

Almost surely, 2^1002101320 is an apocalyptic number.

1002101320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1002101320 is an abundant number, since it is smaller than the sum of its proper divisors (1457603000).

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

1002101320 is a wasteful number, since it uses less digits than its factorization.

1002101320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2277525 (or 2277521 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 1002101320 is about 31655.9839524852. The cubic root of 1002101320 is about 1000.6999499558.

Adding to 1002101320 its reverse (231012001), we get a palindrome (1233113321).

The spelling of 1002101320 in words is "one billion, two million, one hundred one thousand, three hundred twenty".