16245020 has 48 divisors (see below), whose sum is σ = 38144736. Its totient is φ = 5760000.

The previous prime is 16245011. The next prime is 16245037. The reversal of 16245020 is 2054261.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 16244983 and 16245001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8120 + ... + 9920.

It is an arithmetic number, because the mean of its divisors is an integer number (794682).

Almost surely, 2^16245020 is an apocalyptic number.

16245020 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 16245020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19072368).

16245020 is an abundant number, since it is smaller than the sum of its proper divisors (21899716).

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

16245020 is a wasteful number, since it uses less digits than its factorization.

16245020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1862 (or 1860 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 16245020 is about 4030.5111338390. The cubic root of 16245020 is about 253.2639737789.

Adding to 16245020 its reverse (2054261), we get a palindrome (18299281).

The spelling of 16245020 in words is "sixteen million, two hundred forty-five thousand, twenty".