500220221870 has 8 divisors (see below), whose sum is σ = 900396399384. Its totient is φ = 200088088744.

The previous prime is 500220221833. The next prime is 500220221903. The reversal of 500220221870 is 78122022005.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25011011084 + ... + 25011011103.

It is an arithmetic number, because the mean of its divisors is an integer number (112549549923).

Almost surely, 2^500220221870 is an apocalyptic number.

500220221870 is a deficient number, since it is larger than the sum of its proper divisors (400176177514).

500220221870 is a wasteful number, since it uses less digits than its factorization.

500220221870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50022022194.

The product of its (nonzero) digits is 4480, while the sum is 29.

Adding to 500220221870 its reverse (78122022005), we get a palindrome (578342243875).

The spelling of 500220221870 in words is "five hundred billion, two hundred twenty million, two hundred twenty-one thousand, eight hundred seventy".