21020313200995 has 4 divisors (see below), whose sum is σ = 25224375841200. Its totient is φ = 16816250560792.

The previous prime is 21020313200969. The next prime is 21020313201011. The reversal of 21020313200995 is 59900231302012.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 21020313200995 - 2⁹ = 21020313200483 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2102031320095 + ... + 2102031320104.

It is an arithmetic number, because the mean of its divisors is an integer number (6306093960300).

Almost surely, 2^{21020313200995} is an apocalyptic number.

21020313200995 is a deficient number, since it is larger than the sum of its proper divisors (4204062640205).

21020313200995 is an equidigital number, since it uses as much as digits as its factorization.

21020313200995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4204062640204.

The product of its (nonzero) digits is 29160, while the sum is 37.

The spelling of 21020313200995 in words is "twenty-one trillion, twenty billion, three hundred thirteen million, two hundred thousand, nine hundred ninety-five".