20210001120002 has 4 divisors (see below), whose sum is σ = 30315001680006. Its totient is φ = 10105000560000.

The previous prime is 20210001119983. The next prime is 20210001120013. The reversal of 20210001120002 is 20002110001202.

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., 20207910893041 + 2090226961 = 4495321^2 + 45719^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5052500279999 + ... + 5052500280002.

Almost surely, 2^{20210001120002} is an apocalyptic number.

20210001120002 is a deficient number, since it is larger than the sum of its proper divisors (10105000560004).

20210001120002 is a wasteful number, since it uses less digits than its factorization.

20210001120002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10105000560003.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20210001120002 its reverse (20002110001202), we get a palindrome (40212111121204).

The spelling of 20210001120002 in words is "twenty trillion, two hundred ten billion, one million, one hundred twenty thousand, two".