20201102 has 8 divisors (see below), whose sum is σ = 30428112. Its totient is φ = 10058400.

The previous prime is 20201101. The next prime is 20201113. The reversal of 20201102 is 20110202.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20201102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20201101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20474 + ... + 21437.

It is an arithmetic number, because the mean of its divisors is an integer number (3803514).

Almost surely, 2^20201102 is an apocalyptic number.

20201102 is a deficient number, since it is larger than the sum of its proper divisors (10227010).

20201102 is a wasteful number, since it uses less digits than its factorization.

20201102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42154.

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

The square root of 20201102 is about 4494.5636050678. The cubic root of 20201102 is about 272.3485205852.

Adding to 20201102 its reverse (20110202), we get a palindrome (40311304).

The spelling of 20201102 in words is "twenty million, two hundred one thousand, one hundred two".