200020102 has 4 divisors (see below), whose sum is σ = 300030156. Its totient is φ = 100010050.

The previous prime is 200020069. The next prime is 200020103. The reversal of 200020102 is 201020002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200020103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50005024 + ... + 50005027.

It is an arithmetic number, because the mean of its divisors is an integer number (75007539).

Almost surely, 2^200020102 is an apocalyptic number.

200020102 is a deficient number, since it is larger than the sum of its proper divisors (100010054).

200020102 is a wasteful number, since it uses less digits than its factorization.

200020102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100010053.

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

The square root of 200020102 is about 14142.8463188992. The cubic root of 200020102 is about 584.8231398544.

Adding to 200020102 its reverse (201020002), we get a palindrome (401040104).

The spelling of 200020102 in words is "two hundred million, twenty thousand, one hundred two".