20200220002 has 4 divisors (see below), whose sum is σ = 30300330006. Its totient is φ = 10100110000.

The previous prime is 20200219997. The next prime is 20200220009. The reversal of 20200220002 is 20002200202.

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., 19065810241 + 1134409761 = 138079^2 + 33681^2 .

It is not an unprimeable number, because it can be changed into a prime (20200220009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5050054999 + ... + 5050055002.

Almost surely, 2^20200220002 is an apocalyptic number.

20200220002 is a deficient number, since it is larger than the sum of its proper divisors (10100110004).

20200220002 is a wasteful number, since it uses less digits than its factorization.

20200220002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10100110003.

The product of its (nonzero) digits is 32, while the sum is 10.

Adding to 20200220002 its reverse (20002200202), we get a palindrome (40202420204).

The spelling of 20200220002 in words is "twenty billion, two hundred million, two hundred twenty thousand, two".