1020000000202 has 8 divisors (see below), whose sum is σ = 1530004320000. Its totient is φ = 509998560204.

The previous prime is 1020000000199. The next prime is 1020000000209. The reversal of 1020000000202 is 2020000000201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1020000000209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 851799 + ... + 1662997.

It is an arithmetic number, because the mean of its divisors is an integer number (191250540000).

Almost surely, 2^{1020000000202} is an apocalyptic number.

1020000000202 is a deficient number, since it is larger than the sum of its proper divisors (510004319798).

1020000000202 is an equidigital number, since it uses as much as digits as its factorization.

1020000000202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1439900.

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

Adding to 1020000000202 its reverse (2020000000201), we get a palindrome (3040000000403).

Subtracting 1020000000202 from its reverse (2020000000201), we obtain a palindrome (999999999999).

The spelling of 1020000000202 in words is "one trillion, twenty billion, two hundred two", and thus it is an aban number.