10202020102 has 8 divisors (see below), whose sum is σ = 15368709096. Its totient is φ = 5079117072.

The previous prime is 10202020099. The next prime is 10202020121. The reversal of 10202020102 is 20102020201.

10202020102 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×10202020102² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10945908 + ... + 10946839.

It is an arithmetic number, because the mean of its divisors is an integer number (1921088637).

Almost surely, 2^10202020102 is an apocalyptic number.

10202020102 is a deficient number, since it is larger than the sum of its proper divisors (5166688994).

10202020102 is a wasteful number, since it uses less digits than its factorization.

10202020102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21892982.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 10202020102 its reverse (20102020201), we get a palindrome (30304040303).

Subtracting 10202020102 from its reverse (20102020201), we obtain a palindrome (9900000099).

The spelling of 10202020102 in words is "ten billion, two hundred two million, twenty thousand, one hundred two".