16102220 has 12 divisors (see below), whose sum is σ = 33814704. Its totient is φ = 6440880.

The previous prime is 16102211. The next prime is 16102223. The reversal of 16102220 is 2220161.

It is a junction number, because it is equal to n+sod(n) for n = 16102195 and 16102204.

It is not an unprimeable number, because it can be changed into a prime (16102223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 402536 + ... + 402575.

It is an arithmetic number, because the mean of its divisors is an integer number (2817892).

Almost surely, 2^16102220 is an apocalyptic number.

16102220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16102220 is an abundant number, since it is smaller than the sum of its proper divisors (17712484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16102220 is a wasteful number, since it uses less digits than its factorization.

16102220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805120 (or 805118 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 16102220 is about 4012.7571568686. The cubic root of 16102220 is about 252.5196926118.

Adding to 16102220 its reverse (2220161), we get a palindrome (18322381).

The spelling of 16102220 in words is "sixteen million, one hundred two thousand, two hundred twenty".