7420220247 has 16 divisors (see below), whose sum is σ = 10817107200. Its totient is φ = 4487078400.

The previous prime is 7420220161. The next prime is 7420220251.

7420220247 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 7420220247 - 2⁸ = 7420219991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7420220257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 235579 + ... + 265212.

It is an arithmetic number, because the mean of its divisors is an integer number (676069200).

Almost surely, 2^7420220247 is an apocalyptic number.

7420220247 is a deficient number, since it is larger than the sum of its proper divisors (3396886953).

7420220247 is a wasteful number, since it uses less digits than its factorization.

7420220247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501254.

The product of its (nonzero) digits is 12544, while the sum is 30.

The square root of 7420220247 is about 86140.7002931831. The cubic root of 7420220247 is about 1950.4684604939.

It can be divided in two parts, 74202 and 20247, that added together give a palindrome (94449).

The spelling of 7420220247 in words is "seven billion, four hundred twenty million, two hundred twenty thousand, two hundred forty-seven".