20010000220999 has 4 divisors (see below), whose sum is σ = 20137452451864. Its totient is φ = 19882547990136.

The previous prime is 20010000220967. The next prime is 20010000221017. The reversal of 20010000220999 is 99902200001002.

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 20010000220999 - 2⁵ = 20010000220967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20010000220939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63726115197 + ... + 63726115510.

It is an arithmetic number, because the mean of its divisors is an integer number (5034363112966).

Almost surely, 2^{20010000220999} is an apocalyptic number.

20010000220999 is a deficient number, since it is larger than the sum of its proper divisors (127452230865).

20010000220999 is a wasteful number, since it uses less digits than its factorization.

20010000220999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127452230864.

The product of its (nonzero) digits is 5832, while the sum is 34.

The spelling of 20010000220999 in words is "twenty trillion, ten billion, two hundred twenty thousand, nine hundred ninety-nine".