1020000202 has 32 divisors (see below), whose sum is σ = 1673944272. Its totient is φ = 463325184.

The previous prime is 1020000181. The next prime is 1020000217. The reversal of 1020000202 is 2020000201.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 619960201 + 400040001 = 24899^2 + 20001^2 .

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, 495808 + ... + 497860.

Almost surely, 2^1020000202 is an apocalyptic number.

1020000202 is a deficient number, since it is larger than the sum of its proper divisors (653944070).

1020000202 is a wasteful number, since it uses less digits than its factorization.

1020000202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2362.

The product of its (nonzero) digits is 8, while the sum is 7.

The square root of 1020000202 is about 31937.4420077751. The cubic root of 1020000202 is about 1006.6227760104.

Adding to 1020000202 its reverse (2020000201), we get a palindrome (3040000403).

Subtracting 1020000202 from its reverse (2020000201), we obtain a palindrome (999999999).

The spelling of 1020000202 in words is "one billion, twenty million, two hundred two", and thus it is an aban number.