6990220995 has 32 divisors (see below), whose sum is σ = 11484910080. Its totient is φ = 3628373760.

The previous prime is 6990220957. The next prime is 6990221003. The reversal of 6990220995 is 5990220996.

It is not a de Polignac number, because 6990220995 - 2⁶ = 6990220931 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 244122 + ... + 271248.

It is an arithmetic number, because the mean of its divisors is an integer number (358903440).

Almost surely, 2^6990220995 is an apocalyptic number.

6990220995 is a deficient number, since it is larger than the sum of its proper divisors (4494689085).

6990220995 is a wasteful number, since it uses less digits than its factorization.

6990220995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27595.

The product of its (nonzero) digits is 787320, while the sum is 51.

The square root of 6990220995 is about 83607.5414959679. The cubic root of 6990220995 is about 1912.0399788964.

Subtracting from 6990220995 its reverse (5990220996), we obtain a palindrome (999999999).

The spelling of 6990220995 in words is "six billion, nine hundred ninety million, two hundred twenty thousand, nine hundred ninety-five".