1020200001002 has 32 divisors (see below), whose sum is σ = 1883521379712. Its totient is φ = 403579485504.

The previous prime is 1020200000959. The next prime is 1020200001011. The reversal of 1020200001002 is 2001000020201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5130008 + ... + 5325164.

It is an arithmetic number, because the mean of its divisors is an integer number (58860043116).

Almost surely, 2^{1020200001002} is an apocalyptic number.

1020200001002 is a deficient number, since it is larger than the sum of its proper divisors (863321378710).

1020200001002 is a wasteful number, since it uses less digits than its factorization.

1020200001002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223902.

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

Adding to 1020200001002 its reverse (2001000020201), we get a palindrome (3021200021203).

The spelling of 1020200001002 in words is "one trillion, twenty billion, two hundred million, one thousand, two".