7169090020 has 24 divisors (see below), whose sum is σ = 15060407544. Its totient is φ = 2866622976.

The previous prime is 7169090017. The next prime is 7169090021. The reversal of 7169090020 is 200909617.

It can be written as a sum of positive squares in 4 ways, for example, as 509224356 + 6659865664 = 22566^2 + 81608^2 .

It is not an unprimeable number, because it can be changed into a prime (7169090021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3927 + ... + 119806.

It is an arithmetic number, because the mean of its divisors is an integer number (627516981).

Almost surely, 2^7169090020 is an apocalyptic number.

It is an amenable number.

7169090020 is an abundant number, since it is smaller than the sum of its proper divisors (7891317524).

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

7169090020 is a wasteful number, since it uses less digits than its factorization.

7169090020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126639 (or 126637 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 7169090020 is about 84670.4790349033. The cubic root of 7169090020 is about 1928.2115408832.

Adding to 7169090020 its reverse (200909617), we get a palindrome (7369999637).

The spelling of 7169090020 in words is "seven billion, one hundred sixty-nine million, ninety thousand, twenty".