50020720 has 40 divisors (see below), whose sum is σ = 116711280. Its totient is φ = 19937280.

The previous prime is 50020717. The next prime is 50020723. The reversal of 50020720 is 2702005.

It is a happy number.

50020720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (50020717) and next prime (50020723).

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 50020694 and 50020703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50020723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25536 + ... + 27424.

It is an arithmetic number, because the mean of its divisors is an integer number (2917782).

Almost surely, 2^50020720 is an apocalyptic number.

It is an amenable number.

50020720 is an abundant number, since it is smaller than the sum of its proper divisors (66690560).

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

50020720 is a wasteful number, since it uses less digits than its factorization.

50020720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2233 (or 2227 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 16.

The square root of 50020720 is about 7072.5327853606. The cubic root of 50020720 is about 368.4540315913.

Adding to 50020720 its reverse (2702005), we get a palindrome (52722725).

The spelling of 50020720 in words is "fifty million, twenty thousand, seven hundred twenty".