6900020895 has 16 divisors (see below), whose sum is σ = 11420724960. Its totient is φ = 3553113984.

The previous prime is 6900020893. The next prime is 6900020899. The reversal of 6900020895 is 5980200096.

It is a happy number.

It is not a de Polignac number, because 6900020895 - 2¹ = 6900020893 is a prime.

It is a super-2 number, since 2×6900020895² = 95220576702873202050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6900020893) 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, 7930624 + ... + 7931493.

It is an arithmetic number, because the mean of its divisors is an integer number (713795310).

Almost surely, 2^6900020895 is an apocalyptic number.

6900020895 is a deficient number, since it is larger than the sum of its proper divisors (4520704065).

6900020895 is a wasteful number, since it uses less digits than its factorization.

6900020895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15862154.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 6900020895 is about 83066.3644022055. The cubic root of 6900020895 is about 1903.7801836738.

The spelling of 6900020895 in words is "six billion, nine hundred million, twenty thousand, eight hundred ninety-five".