1020002202202 has 4 divisors (see below), whose sum is σ = 1530003303306. Its totient is φ = 510001101100.

The previous prime is 1020002202179. The next prime is 1020002202239. The reversal of 1020002202202 is 2022022000201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 872600725161 + 147401477041 = 934131^2 + 383929^2 .

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255000550549 + ... + 255000550552.

Almost surely, 2^{1020002202202} is an apocalyptic number.

1020002202202 is a deficient number, since it is larger than the sum of its proper divisors (510001101104).

1020002202202 is an equidigital number, since it uses as much as digits as its factorization.

1020002202202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510001101103.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 1020002202202 its reverse (2022022000201), we get a palindrome (3042024202403).

The spelling of 1020002202202 in words is "one trillion, twenty billion, two million, two hundred two thousand, two hundred two".