1020002010002 has 32 divisors (see below), whose sum is σ = 1577754122544. Its totient is φ = 494398080000.

The previous prime is 1020002009993. The next prime is 1020002010037. The reversal of 1020002010002 is 2000102000201.

It can be written as a sum of positive squares in 8 ways, for example, as 903980706841 + 116021303161 = 950779^2 + 340619^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1767752 + ... + 2272652.

Almost surely, 2^{1020002010002} is an apocalyptic number.

1020002010002 is a deficient number, since it is larger than the sum of its proper divisors (557752112542).

1020002010002 is a wasteful number, since it uses less digits than its factorization.

1020002010002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505214.

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 1020002010002 its reverse (2000102000201), we get a palindrome (3020104010203).

The spelling of 1020002010002 in words is "one trillion, twenty billion, two million, ten thousand, two".