20030102 has 8 divisors (see below), whose sum is σ = 31351536. Its totient is φ = 9579592.

The previous prime is 20030089. The next prime is 20030107. The reversal of 20030102 is 20103002.

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

It is a super-2 number, since 2×20030102² = 802409972260808, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20030102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20030107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217673 + ... + 217764.

It is an arithmetic number, because the mean of its divisors is an integer number (3918942).

Almost surely, 2^20030102 is an apocalyptic number.

20030102 is a deficient number, since it is larger than the sum of its proper divisors (11321434).

20030102 is a wasteful number, since it uses less digits than its factorization.

20030102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435462.

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 20030102 is about 4475.5001955089. The cubic root of 20030102 is about 271.5778757257.

Adding to 20030102 its reverse (20103002), we get a palindrome (40133104).

Subtracting 20030102 from its reverse (20103002), we obtain a square (72900 = 270²).

The spelling of 20030102 in words is "twenty million, thirty thousand, one hundred two".