2021700803 has 8 divisors (see below), whose sum is σ = 2047223808. Its totient is φ = 1996205704.

The previous prime is 2021700773. The next prime is 2021700827. The reversal of 2021700803 is 3080071202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2021700803 - 2⁸ = 2021700547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2021700853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165326 + ... + 177132.

It is an arithmetic number, because the mean of its divisors is an integer number (255902976).

Almost surely, 2^2021700803 is an apocalyptic number.

2021700803 is a deficient number, since it is larger than the sum of its proper divisors (25523005).

2021700803 is a wasteful number, since it uses less digits than its factorization.

2021700803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13953.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 2021700803 is about 44963.3273123776. The cubic root of 2021700803 is about 1264.4615502776.

The spelling of 2021700803 in words is "two billion, twenty-one million, seven hundred thousand, eight hundred three".