16454020 has 48 divisors (see below), whose sum is σ = 39009600. Its totient is φ = 5774720.

The previous prime is 16453999. The next prime is 16454021. The reversal of 16454020 is 2045461.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 16453982 and 16454000.

It is not an unprimeable number, because it can be changed into a prime (16454021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5091 + ... + 7669.

It is an arithmetic number, because the mean of its divisors is an integer number (812700).

Almost surely, 2^16454020 is an apocalyptic number.

16454020 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 16454020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19504800).

16454020 is an abundant number, since it is smaller than the sum of its proper divisors (22555580).

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

16454020 is a wasteful number, since it uses less digits than its factorization.

16454020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2628 (or 2626 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 16454020 is about 4056.3555071024. The cubic root of 16454020 is about 254.3454699324.

Adding to 16454020 its reverse (2045461), we get a palindrome (18499481).

It can be divided in two parts, 1645 and 4020, that added together give a palindrome (5665).

The spelling of 16454020 in words is "sixteen million, four hundred fifty-four thousand, twenty".