16000920 has 144 divisors (see below), whose sum is σ = 56525040. Its totient is φ = 3923712.

The previous prime is 16000903. The next prime is 16000921. The reversal of 16000920 is 2900061.

16000920 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 16000893 and 16000902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16000921) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 60709 + ... + 60971.

It is an arithmetic number, because the mean of its divisors is an integer number (392535).

Almost surely, 2^16000920 is an apocalyptic number.

16000920 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 16000920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28262520).

16000920 is an abundant number, since it is smaller than the sum of its proper divisors (40524120).

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

16000920 is a wasteful number, since it uses less digits than its factorization.

16000920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306 (or 286 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 16000920 is about 4000.1149983469. The cubic root of 16000920 is about 251.9890395838.

Adding to 16000920 its reverse (2900061), we get a palindrome (18900981).

The spelling of 16000920 in words is "sixteen million, nine hundred twenty", and thus it is an aban number.