1020002010 has 16 divisors (see below), whose sum is σ = 2448004896. Its totient is φ = 272000528.

The previous prime is 1020001991. The next prime is 1020002017. The reversal of 1020002010 is 102000201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a self number, because there is not a number n which added to its sum of digits gives 1020002010.

It is not an unprimeable number, because it can be changed into a prime (1020002017) 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, 17000004 + ... + 17000063.

It is an arithmetic number, because the mean of its divisors is an integer number (153000306).

Almost surely, 2^1020002010 is an apocalyptic number.

1020002010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020002010 is an abundant number, since it is smaller than the sum of its proper divisors (1428002886).

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

1020002010 is a wasteful number, since it uses less digits than its factorization.

1020002010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34000077.

The product of its (nonzero) digits is 4, while the sum is 6.

The square root of 1020002010 is about 31937.4703130977. The cubic root of 1020002010 is about 1006.6233707726.

Adding to 1020002010 its reverse (102000201), we get a palindrome (1122002211).

The spelling of 1020002010 in words is "one billion, twenty million, two thousand, ten".