500421140120 has 64 divisors (see below), whose sum is σ = 1228768164000. Its totient is φ = 181902919680.

The previous prime is 500421140083. The next prime is 500421140137. The reversal of 500421140120 is 21041124005.

It is a happy number.

It is a super-2 number, since 2×500421140120² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 500421140092 and 500421140101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 965456 + ... + 1390304.

Almost surely, 2^500421140120 is an apocalyptic number.

It is an amenable number.

500421140120 is an abundant number, since it is smaller than the sum of its proper divisors (728347023880).

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

500421140120 is a wasteful number, since it uses less digits than its factorization.

500421140120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427548 (or 427544 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 500421140120 its reverse (21041124005), we get a palindrome (521462264125).

The spelling of 500421140120 in words is "five hundred billion, four hundred twenty-one million, one hundred forty thousand, one hundred twenty".