20314355 has 12 divisors (see below), whose sum is σ = 25252032. Its totient is φ = 15687840.

The previous prime is 20314351. The next prime is 20314373. The reversal of 20314355 is 55341302.

It is not a de Polignac number, because 20314355 - 2² = 20314351 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20314355.

It is not an unprimeable number, because it can be changed into a prime (20314351) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1790 + ... + 6620.

It is an arithmetic number, because the mean of its divisors is an integer number (2104336).

Almost surely, 2^20314355 is an apocalyptic number.

20314355 is a deficient number, since it is larger than the sum of its proper divisors (4937677).

20314355 is an equidigital number, since it uses as much as digits as its factorization.

20314355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4894 (or 4865 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 20314355 is about 4507.1448834046. The cubic root of 20314355 is about 272.8565262921.

Adding to 20314355 its reverse (55341302), we get a palindrome (75655657).

The spelling of 20314355 in words is "twenty million, three hundred fourteen thousand, three hundred fifty-five".