514222020 has 168 divisors, whose sum is σ = 1744244376. Its totient is φ = 126531072.

The previous prime is 514222003. The next prime is 514222031. The reversal of 514222020 is 20222415.

It can be written as a sum of positive squares in 4 ways, for example, as 101969604 + 412252416 = 10098^2 + 20304^2 .

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 = 514221984 and 514222002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 188184 + ... + 190896.

It is an arithmetic number, because the mean of its divisors is an integer number (10382407).

Almost surely, 2^514222020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 514222020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (872122188).

514222020 is an abundant number, since it is smaller than the sum of its proper divisors (1230022356).

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

514222020 is a wasteful number, since it uses less digits than its factorization.

514222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2753 (or 2736 counting only the distinct ones).

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

The square root of 514222020 is about 22676.4640100700. The cubic root of 514222020 is about 801.1556319231.

Adding to 514222020 its reverse (20222415), we get a palindrome (534444435).

The spelling of 514222020 in words is "five hundred fourteen million, two hundred twenty-two thousand, twenty".