200120010020002 has 16 divisors (see below), whose sum is σ = 306513180061272. Its totient is φ = 97968960000000.

The previous prime is 200120010019967. The next prime is 200120010020009. The reversal of 200120010020002 is 200020010021002.

It can be written as a sum of positive squares in 4 ways, for example, as 199964741710321 + 155268309681 = 14140889^2 + 394041^2 .

It is not an unprimeable number, because it can be changed into a prime (200120010020009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5002479999 + ... + 5002520002.

Almost surely, 2^{200120010020002} is an apocalyptic number.

200120010020002 is a deficient number, since it is larger than the sum of its proper divisors (106393170041270).

200120010020002 is a wasteful number, since it uses less digits than its factorization.

200120010020002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10005000213.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 200120010020002 its reverse (200020010021002), we get a palindrome (400140020041004).

The spelling of 200120010020002 in words is "two hundred trillion, one hundred twenty billion, ten million, twenty thousand, two".