20200010002 has 4 divisors (see below), whose sum is σ = 30300015006. Its totient is φ = 10100005000.

The previous prime is 20200009981. The next prime is 20200010003. The reversal of 20200010002 is 20001000202.

It is a happy number.

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., 17085365521 + 3114644481 = 130711^2 + 55809^2 .

It is not an unprimeable number, because it can be changed into a prime (20200010003) by changing a digit.

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 as a sum of consecutive naturals, namely, 5050002499 + ... + 5050002502.

Almost surely, 2^20200010002 is an apocalyptic number.

20200010002 is a deficient number, since it is larger than the sum of its proper divisors (10100005004).

20200010002 is a wasteful number, since it uses less digits than its factorization.

20200010002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10100005003.

The product of its (nonzero) digits is 8, while the sum is 7.

Adding to 20200010002 its reverse (20001000202), we get a palindrome (40201010204).

The spelling of 20200010002 in words is "twenty billion, two hundred million, ten thousand, two".