2000020102 has 4 divisors (see below), whose sum is σ = 3000030156. Its totient is φ = 1000010050.

The previous prime is 2000020081. The next prime is 2000020103. The reversal of 2000020102 is 2010200002.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2010200002 = 2 ⋅1005100001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000020103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500005024 + ... + 500005027.

It is an arithmetic number, because the mean of its divisors is an integer number (750007539).

Almost surely, 2^2000020102 is an apocalyptic number.

2000020102 is a deficient number, since it is larger than the sum of its proper divisors (1000010054).

2000020102 is a wasteful number, since it uses less digits than its factorization.

2000020102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000010053.

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

The square root of 2000020102 is about 44721.5842966235. The cubic root of 2000020102 is about 1259.9252710362.

Adding to 2000020102 its reverse (2010200002), we get a palindrome (4010220104).

The spelling of 2000020102 in words is "two billion, twenty thousand, one hundred two".