10020102001988 has 24 divisors (see below), whose sum is σ = 18890512461912. Its totient is φ = 4623076975104.

The previous prime is 10020102001933. The next prime is 10020102002087. The reversal of 10020102001988 is 88910020102001.

It can be written as a sum of positive squares in 4 ways, for example, as 2726256695044 + 7293845306944 = 1651138^2 + 2700712^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32877845 + ... + 33181212.

It is an arithmetic number, because the mean of its divisors is an integer number (787104685913).

Almost surely, 2^{10020102001988} is an apocalyptic number.

It is an amenable number.

10020102001988 is a deficient number, since it is larger than the sum of its proper divisors (8870410459924).

10020102001988 is a wasteful number, since it uses less digits than its factorization.

10020102001988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66061991 (or 66061989 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 32.

Adding to 10020102001988 its reverse (88910020102001), we get a palindrome (98930122103989).

The spelling of 10020102001988 in words is "ten trillion, twenty billion, one hundred two million, one thousand, nine hundred eighty-eight".