16420014 has 48 divisors (see below), whose sum is σ = 39154752. Its totient is φ = 4941504.

The previous prime is 16420007. The next prime is 16420031. The reversal of 16420014 is 41002461.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10252 + ... + 11744.

It is an arithmetic number, because the mean of its divisors is an integer number (815724).

Almost surely, 2^16420014 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16420014, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19577376).

16420014 is an abundant number, since it is smaller than the sum of its proper divisors (22734738).

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

16420014 is a wasteful number, since it uses less digits than its factorization.

16420014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1561 (or 1558 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 16420014 is about 4052.1616453444. The cubic root of 16420014 is about 254.1701280307.

Adding to 16420014 its reverse (41002461), we get a palindrome (57422475).

The spelling of 16420014 in words is "sixteen million, four hundred twenty thousand, fourteen".