20103002 has 4 divisors (see below), whose sum is σ = 30154506. Its totient is φ = 10051500.

The previous prime is 20102983. The next prime is 20103047. The reversal of 20103002 is 20030102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10374841 + 9728161 = 3221^2 + 3119^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5025749 + ... + 5025752.

Almost surely, 2^20103002 is an apocalyptic number.

20103002 is a deficient number, since it is larger than the sum of its proper divisors (10051504).

20103002 is a wasteful number, since it uses less digits than its factorization.

20103002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10051503.

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

The square root of 20103002 is about 4483.6371396446. The cubic root of 20103002 is about 271.9069480579.

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

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

The spelling of 20103002 in words is "twenty million, one hundred three thousand, two".