16020330 has 32 divisors (see below), whose sum is σ = 38577600. Its totient is φ = 4257792.

The previous prime is 16020293. The next prime is 16020337. The reversal of 16020330 is 3302061.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16020337) 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, 10666 + ... + 12074.

It is an arithmetic number, because the mean of its divisors is an integer number (1205550).

Almost surely, 2^16020330 is an apocalyptic number.

16020330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16020330 is an abundant number, since it is smaller than the sum of its proper divisors (22557270).

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

16020330 is a wasteful number, since it uses less digits than its factorization.

16020330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1798.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 16020330 is about 4002.5404432685. The cubic root of 16020330 is about 252.0908906203.

Adding to 16020330 its reverse (3302061), we get a palindrome (19322391).

The spelling of 16020330 in words is "sixteen million, twenty thousand, three hundred thirty".