20514222 has 20 divisors (see below), whose sum is σ = 45967416. Its totient is φ = 6838020.

The previous prime is 20514191. The next prime is 20514251. The reversal of 20514222 is 22241502.

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

It is a junction number, because it is equal to n+sod(n) for n = 20514195 and 20514204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 63154 + ... + 63477.

Almost surely, 2^20514222 is an apocalyptic number.

20514222 is an abundant number, since it is smaller than the sum of its proper divisors (25453194).

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

20514222 is a wasteful number, since it uses less digits than its factorization.

20514222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126645 (or 126636 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 20514222 is about 4529.2628539311. The cubic root of 20514222 is about 273.7484593646.

Adding to 20514222 its reverse (22241502), we get a palindrome (42755724).

It can be divided in two parts, 20514 and 222, that added together give a 4-th power (20736 = 12⁴).

The spelling of 20514222 in words is "twenty million, five hundred fourteen thousand, two hundred twenty-two".