20141406 has 64 divisors (see below), whose sum is σ = 47980800. Its totient is φ = 6244128.

The previous prime is 20141389. The next prime is 20141417. The reversal of 20141406 is 60414102.

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

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68596 + ... + 68888.

It is an arithmetic number, because the mean of its divisors is an integer number (749700).

Almost surely, 2^20141406 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20141406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23990400).

20141406 is an abundant number, since it is smaller than the sum of its proper divisors (27839394).

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

20141406 is a wasteful number, since it uses less digits than its factorization.

20141406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390 (or 384 counting only the distinct ones).

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

The square root of 20141406 is about 4487.9177799955. The cubic root of 20141406 is about 272.0799847673.

Adding to 20141406 its reverse (60414102), we get a palindrome (80555508).

The spelling of 20141406 in words is "twenty million, one hundred forty-one thousand, four hundred six".