20613214 has 24 divisors (see below), whose sum is σ = 34592760. Its totient is φ = 9184896.

The previous prime is 20613209. The next prime is 20613239. The reversal of 20613214 is 41231602.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 20613191 and 20613200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10044 + ... + 11920.

It is an arithmetic number, because the mean of its divisors is an integer number (1441365).

Almost surely, 2^20613214 is an apocalyptic number.

20613214 is a deficient number, since it is larger than the sum of its proper divisors (13979546).

20613214 is a wasteful number, since it uses less digits than its factorization.

20613214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1932 (or 1915 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 20613214 is about 4540.1777498243. The cubic root of 20613214 is about 274.1880801490.

Adding to 20613214 its reverse (41231602), we get a palindrome (61844816).

The spelling of 20613214 in words is "twenty million, six hundred thirteen thousand, two hundred fourteen".