16420950 has 144 divisors (see below), whose sum is σ = 54434016. Its totient is φ = 3456000.

The previous prime is 16420927. The next prime is 16420961. The reversal of 16420950 is 5902461.

16420950 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 40750 + ... + 41150.

It is an arithmetic number, because the mean of its divisors is an integer number (378014).

Almost surely, 2^16420950 is an apocalyptic number.

16420950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16420950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27217008).

16420950 is an abundant number, since it is smaller than the sum of its proper divisors (38013066).

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

16420950 is a wasteful number, since it uses less digits than its factorization.

16420950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439 (or 431 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 16420950 is about 4052.2771376104. The cubic root of 16420950 is about 254.1749574769.

The spelling of 16420950 in words is "sixteen million, four hundred twenty thousand, nine hundred fifty".