20011416 has 32 divisors (see below), whose sum is σ = 50852400. Its totient is φ = 6560640.

The previous prime is 20011373. The next prime is 20011423. The reversal of 20011416 is 61411002.

It is a junction number, because it is equal to n+sod(n) for n = 20011395 and 20011404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5371 + ... + 8298.

Almost surely, 2^20011416 is an apocalyptic number.

It is an amenable number.

20011416 is an abundant number, since it is smaller than the sum of its proper divisors (30840984).

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

20011416 is a wasteful number, since it uses less digits than its factorization.

20011416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13739 (or 13735 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 20011416 is about 4473.4121205183. The cubic root of 20011416 is about 271.4933981552.

Adding to 20011416 its reverse (61411002), we get a palindrome (81422418).

The spelling of 20011416 in words is "twenty million, eleven thousand, four hundred sixteen".