7020642126 has 32 divisors (see below), whose sum is σ = 14090112000. Its totient is φ = 2332090880.

The previous prime is 7020642119. The next prime is 7020642127. The reversal of 7020642126 is 6212460207.

It is a super-2 number, since 2×7020642126² = 98578831722731599752, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7020642093 and 7020642102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7020642127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3875761 + ... + 3877571.

It is an arithmetic number, because the mean of its divisors is an integer number (440316000).

Almost surely, 2^7020642126 is an apocalyptic number.

7020642126 is an abundant number, since it is smaller than the sum of its proper divisors (7069469874).

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

7020642126 is a wasteful number, since it uses less digits than its factorization.

7020642126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3704.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 7020642126 is about 83789.2721414860. The cubic root of 7020642126 is about 1914.8096692449.

The spelling of 7020642126 in words is "seven billion, twenty million, six hundred forty-two thousand, one hundred twenty-six".