1020202010188 has 24 divisors (see below), whose sum is σ = 1786493003904. Its totient is φ = 509775552000.

The previous prime is 1020202010131. The next prime is 1020202010189. The reversal of 1020202010188 is 8810102020201.

It is not an unprimeable number, because it can be changed into a prime (1020202010189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47218588 + ... + 47240188.

It is an arithmetic number, because the mean of its divisors is an integer number (74437208496).

Almost surely, 2^{1020202010188} is an apocalyptic number.

It is an amenable number.

1020202010188 is a deficient number, since it is larger than the sum of its proper divisors (766290993716).

1020202010188 is a wasteful number, since it uses less digits than its factorization.

1020202010188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28593 (or 28591 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 25.

Adding to 1020202010188 its reverse (8810102020201), we get a palindrome (9830304030389).

The spelling of 1020202010188 in words is "one trillion, twenty billion, two hundred two million, ten thousand, one hundred eighty-eight".