50201220 has 48 divisors (see below), whose sum is σ = 143998848. Its totient is φ = 13059840.

The previous prime is 50201219. The next prime is 50201227. The reversal of 50201220 is 2210205.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 50201196 and 50201205.

It is not an unprimeable number, because it can be changed into a prime (50201227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7744 + ... + 12663.

It is an arithmetic number, because the mean of its divisors is an integer number (2999976).

Almost surely, 2^50201220 is an apocalyptic number.

It is an amenable number.

50201220 is an abundant number, since it is smaller than the sum of its proper divisors (93797628).

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

50201220 is a wasteful number, since it uses less digits than its factorization.

50201220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20460 (or 20458 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 50201220 is about 7085.2819280534. The cubic root of 50201220 is about 368.8966889342.

Adding to 50201220 its reverse (2210205), we get a palindrome (52411425).

The spelling of 50201220 in words is "fifty million, two hundred one thousand, two hundred twenty".