10203020020102 has 32 divisors (see below), whose sum is σ = 18917187412032. Its totient is φ = 4019036120064.

The previous prime is 10203020020051. The next prime is 10203020020103. The reversal of 10203020020102 is 20102002030201.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10203020020103) 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 15 ways as a sum of consecutive naturals, for example, 120259203 + ... + 120344014.

It is an arithmetic number, because the mean of its divisors is an integer number (591162106626).

Almost surely, 2^{10203020020102} is an apocalyptic number.

10203020020102 is a deficient number, since it is larger than the sum of its proper divisors (8714167391930).

10203020020102 is a wasteful number, since it uses less digits than its factorization.

10203020020102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240603472.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 10203020020102 its reverse (20102002030201), we get a palindrome (30305022050303).

The spelling of 10203020020102 in words is "ten trillion, two hundred three billion, twenty million, twenty thousand, one hundred two".