1002320010 has 48 divisors (see below), whose sum is σ = 2676474216. Its totient is φ = 260060544.

The previous prime is 1002319999. The next prime is 1002320021. The reversal of 1002320010 is 100232001.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1002319999) and next prime (1002320021).

It can be written as a sum of positive squares in 4 ways, for example, as 700290369 + 302029641 = 26463^2 + 17379^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1002319974 and 1002320001.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 147169 + ... + 153828.

Almost surely, 2^1002320010 is an apocalyptic number.

1002320010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1002320010 is an abundant number, since it is smaller than the sum of its proper divisors (1674154206).

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

1002320010 is a wasteful number, since it uses less digits than its factorization.

1002320010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301047 (or 301044 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 1002320010 is about 31659.4379293126. The cubic root of 1002320010 is about 1000.7727393867.

Adding to 1002320010 its reverse (100232001), we get a palindrome (1102552011).

The spelling of 1002320010 in words is "one billion, two million, three hundred twenty thousand, ten".