16190220 has 48 divisors (see below), whose sum is σ = 45658368. Its totient is φ = 4286400.

The previous prime is 16190219. The next prime is 16190227. The reversal of 16190220 is 2209161.

16190220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (16190227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8167 + ... + 9953.

It is an arithmetic number, because the mean of its divisors is an integer number (951216).

Almost surely, 2^16190220 is an apocalyptic number.

16190220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16190220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22829184).

16190220 is an abundant number, since it is smaller than the sum of its proper divisors (29468148).

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

16190220 is a wasteful number, since it uses less digits than its factorization.

16190220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1950 (or 1948 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 16190220 is about 4023.7072458120. The cubic root of 16190220 is about 252.9788709982.

Adding to 16190220 its reverse (2209161), we get a palindrome (18399381).

The spelling of 16190220 in words is "sixteen million, one hundred ninety thousand, two hundred twenty".