500020620 has 48 divisors (see below), whose sum is σ = 1527337728. Its totient is φ = 121216960.

The previous prime is 500020589. The next prime is 500020637. The reversal of 500020620 is 26020005.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 500020620.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 378144 + ... + 379463.

It is an arithmetic number, because the mean of its divisors is an integer number (31819536).

Almost surely, 2^500020620 is an apocalyptic number.

It is an amenable number.

500020620 is an abundant number, since it is smaller than the sum of its proper divisors (1027317108).

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

500020620 is a wasteful number, since it uses less digits than its factorization.

500020620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757630 (or 757628 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 500020620 is about 22361.1408474612. The cubic root of 500020620 is about 793.7114365707.

Adding to 500020620 its reverse (26020005), we get a palindrome (526040625).

The spelling of 500020620 in words is "five hundred million, twenty thousand, six hundred twenty".