7142815020 has 96 divisors (see below), whose sum is σ = 22094392320. Its totient is φ = 1709660160.

The previous prime is 7142815019. The next prime is 7142815037. The reversal of 7142815020 is 205182417.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 16357 + ... + 120636.

It is an arithmetic number, because the mean of its divisors is an integer number (230149920).

Almost surely, 2^7142815020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7142815020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11047196160).

7142815020 is an abundant number, since it is smaller than the sum of its proper divisors (14951577300).

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

7142815020 is a wasteful number, since it uses less digits than its factorization.

7142815020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137095 (or 137093 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 7142815020 is about 84515.1762703007. The cubic root of 7142815020 is about 1925.8529998259.

Adding to 7142815020 its reverse (205182417), we get a palindrome (7347997437).

The spelling of 7142815020 in words is "seven billion, one hundred forty-two million, eight hundred fifteen thousand, twenty".