7420134020 has 24 divisors (see below), whose sum is σ = 16780919064. Its totient is φ = 2739741696.

The previous prime is 7420133999. The next prime is 7420134047. The reversal of 7420134020 is 204310247.

It can be written as a sum of positive squares in 4 ways, for example, as 7268416 + 7412865604 = 2696^2 + 86098^2 .

It is a super-2 number, since 2×7420134020² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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, 14269229 + ... + 14269748.

It is an arithmetic number, because the mean of its divisors is an integer number (699204961).

Almost surely, 2^7420134020 is an apocalyptic number.

It is an amenable number.

7420134020 is an abundant number, since it is smaller than the sum of its proper divisors (9360785044).

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

7420134020 is a wasteful number, since it uses less digits than its factorization.

7420134020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28538999 (or 28538997 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 7420134020 is about 86140.1997908062. The cubic root of 7420134020 is about 1950.4609052961.

Adding to 7420134020 its reverse (204310247), we get a palindrome (7624444267).

The spelling of 7420134020 in words is "seven billion, four hundred twenty million, one hundred thirty-four thousand, twenty".