10000020995 has 4 divisors (see below), whose sum is σ = 12000025200. Its totient is φ = 8000016792.

The previous prime is 10000020917. The next prime is 10000021007. The reversal of 10000020995 is 59902000001.

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 10000020995 - 2¹⁴ = 10000004611 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, 1000002095 + ... + 1000002104.

It is an arithmetic number, because the mean of its divisors is an integer number (3000006300).

Almost surely, 2^10000020995 is an apocalyptic number.

10000020995 is a deficient number, since it is larger than the sum of its proper divisors (2000004205).

10000020995 is an equidigital number, since it uses as much as digits as its factorization.

10000020995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000004204.

The product of its (nonzero) digits is 810, while the sum is 26.

Adding to 10000020995 its reverse (59902000001), we get a palindrome (69902020996).

The spelling of 10000020995 in words is "ten billion, twenty thousand, nine hundred ninety-five".