720227142 has 24 divisors (see below), whose sum is σ = 1562572440. Its totient is φ = 239755680.

The previous prime is 720227099. The next prime is 720227143. The reversal of 720227142 is 241722027.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720227143) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 12592 + ... + 39987.

It is an arithmetic number, because the mean of its divisors is an integer number (65107185).

Almost surely, 2^720227142 is an apocalyptic number.

720227142 is an abundant number, since it is smaller than the sum of its proper divisors (842345298).

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

720227142 is a wasteful number, since it uses less digits than its factorization.

720227142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53348 (or 53345 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 27.

The square root of 720227142 is about 26837.0479375061. The cubic root of 720227142 is about 896.3751908127.

Adding to 720227142 its reverse (241722027), we get a palindrome (961949169).

The spelling of 720227142 in words is "seven hundred twenty million, two hundred twenty-seven thousand, one hundred forty-two".