50220420 has 48 divisors (see below), whose sum is σ = 148021440. Its totient is φ = 12686976.

The previous prime is 50220383. The next prime is 50220421. The reversal of 50220420 is 2402205.

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 50220420.

It is not an unprimeable number, because it can be changed into a prime (50220421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20887 + ... + 23166.

It is an arithmetic number, because the mean of its divisors is an integer number (3083780).

Almost surely, 2^50220420 is an apocalyptic number.

It is an amenable number.

50220420 is an abundant number, since it is smaller than the sum of its proper divisors (97801020).

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

50220420 is a wasteful number, since it uses less digits than its factorization.

50220420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44084 (or 44082 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 50220420 is about 7086.6367199116. The cubic root of 50220420 is about 368.9437124504.

Adding to 50220420 its reverse (2402205), we get a palindrome (52622625).

The spelling of 50220420 in words is "fifty million, two hundred twenty thousand, four hundred twenty".