16352020 has 24 divisors (see below), whose sum is σ = 34854624. Its totient is φ = 6442656.

The previous prime is 16352009. The next prime is 16352041. The reversal of 16352020 is 2025361.

16352020 = T₂₅₅₅ + T₂₅₅₆ + ... + T₂₅₅₉.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4762 + ... + 7441.

It is an arithmetic number, because the mean of its divisors is an integer number (1452276).

Almost surely, 2^16352020 is an apocalyptic number.

16352020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16352020 is an abundant number, since it is smaller than the sum of its proper divisors (18502604).

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

16352020 is a wasteful number, since it uses less digits than its factorization.

16352020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12279 (or 12277 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 16352020 is about 4043.7630988969. The cubic root of 16352020 is about 253.8188097503.

Adding to 16352020 its reverse (2025361), we get a palindrome (18377381).

It can be divided in two parts, 1635 and 2020, that added together give a triangular number (3655 = T₈₅).

The spelling of 16352020 in words is "sixteen million, three hundred fifty-two thousand, twenty".