20201100002 has 4 divisors (see below), whose sum is σ = 30301650006. Its totient is φ = 10100550000.

The previous prime is 20201099987. The next prime is 20201100071. The reversal of 20201100002 is 20000110202.

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., 19465551361 + 735548641 = 139519^2 + 27121^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5050274999 + ... + 5050275002.

Almost surely, 2^20201100002 is an apocalyptic number.

20201100002 is a deficient number, since it is larger than the sum of its proper divisors (10100550004).

20201100002 is a wasteful number, since it uses less digits than its factorization.

20201100002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10100550003.

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

Adding to 20201100002 its reverse (20000110202), we get a palindrome (40201210204).

The spelling of 20201100002 in words is "twenty billion, two hundred one million, one hundred thousand, two".