20100120202 has 8 divisors (see below), whose sum is σ = 30161527200. Its totient is φ = 10046277804.

The previous prime is 20100120181. The next prime is 20100120217. The reversal of 20100120202 is 20202100102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1884502 + ... + 1895137.

It is an arithmetic number, because the mean of its divisors is an integer number (3770190900).

Almost surely, 2^20100120202 is an apocalyptic number.

20100120202 is a deficient number, since it is larger than the sum of its proper divisors (10061406998).

20100120202 is a wasteful number, since it uses less digits than its factorization.

20100120202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3782300.

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

Adding to 20100120202 its reverse (20202100102), we get a palindrome (40302220304).

The spelling of 20100120202 in words is "twenty billion, one hundred million, one hundred twenty thousand, two hundred two".