20613416 has 16 divisors (see below), whose sum is σ = 38823840. Its totient is φ = 10260400.

The previous prime is 20613413. The next prime is 20613427. The reversal of 20613416 is 61431602.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20613391 and 20613400.

It is not an unprimeable number, because it can be changed into a prime (20613413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3860 + ... + 7491.

It is an arithmetic number, because the mean of its divisors is an integer number (2426490).

Almost surely, 2^20613416 is an apocalyptic number.

It is an amenable number.

20613416 is a deficient number, since it is larger than the sum of its proper divisors (18210424).

20613416 is a wasteful number, since it uses less digits than its factorization.

20613416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11584 (or 11580 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 20613416 is about 4540.1999955949. The cubic root of 20613416 is about 274.1889757850.

The spelling of 20613416 in words is "twenty million, six hundred thirteen thousand, four hundred sixteen".