1020002202 has 24 divisors (see below), whose sum is σ = 2231465184. Its totient is φ = 336699144.

The previous prime is 1020002201. The next prime is 1020002219. The reversal of 1020002202 is 2022000201.

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

It is not an unprimeable number, because it can be changed into a prime (1020002201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 273228 + ... + 276935.

It is an arithmetic number, because the mean of its divisors is an integer number (92977716).

Almost surely, 2^1020002202 is an apocalyptic number.

1020002202 is an abundant number, since it is smaller than the sum of its proper divisors (1211462982).

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

1020002202 is a wasteful number, since it uses less digits than its factorization.

1020002202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550274 (or 550271 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 1020002202 is about 31937.4733189712. The cubic root of 1020002202 is about 1006.6234339332.

Adding to 1020002202 its reverse (2022000201), we get a palindrome (3042002403).

The spelling of 1020002202 in words is "one billion, twenty million, two thousand, two hundred two".