220402102 has 8 divisors (see below), whose sum is σ = 330863112. Its totient is φ = 110114400.

The previous prime is 220402097. The next prime is 220402103. The reversal of 220402102 is 201204022.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220402103) 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, 40099 + ... + 45262.

It is an arithmetic number, because the mean of its divisors is an integer number (41357889).

Almost surely, 2^220402102 is an apocalyptic number.

220402102 is a deficient number, since it is larger than the sum of its proper divisors (110461010).

220402102 is a wasteful number, since it uses less digits than its factorization.

220402102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86654.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 220402102 is about 14845.9456418242. The cubic root of 220402102 is about 604.0486397828.

Adding to 220402102 its reverse (201204022), we get a palindrome (421606124).

It can be divided in two parts, 22040 and 2102, that added together give a palindrome (24142).

The spelling of 220402102 in words is "two hundred twenty million, four hundred two thousand, one hundred two".