20010220099999 has 8 divisors (see below), whose sum is σ = 20015142377472. Its totient is φ = 20005298206200.

The previous prime is 20010220099931. The next prime is 20010220100009. The reversal of 20010220099999 is 99999002201002.

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 20010220099999 - 2¹⁵ = 20010220067231 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 (20010220079999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123238542 + ... + 123400804.

It is an arithmetic number, because the mean of its divisors is an integer number (2501892797184).

Almost surely, 2^{20010220099999} is an apocalyptic number.

20010220099999 is a deficient number, since it is larger than the sum of its proper divisors (4922277473).

20010220099999 is a wasteful number, since it uses less digits than its factorization.

20010220099999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191837.

The product of its (nonzero) digits is 472392, while the sum is 52.

The spelling of 20010220099999 in words is "twenty trillion, ten billion, two hundred twenty million, ninety-nine thousand, nine hundred ninety-nine".