20210022100019 has 4 divisors (see below), whose sum is σ = 20220789295344. Its totient is φ = 20199254904696.

The previous prime is 20210022099991. The next prime is 20210022100043. The reversal of 20210022100019 is 91000122001202.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20210022100019 is a prime.

It is a super-2 number, since 2×20210022100019² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20210022100069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5383594847 + ... + 5383598600.

It is an arithmetic number, because the mean of its divisors is an integer number (5055197323836).

Almost surely, 2^{20210022100019} is an apocalyptic number.

20210022100019 is a deficient number, since it is larger than the sum of its proper divisors (10767195325).

20210022100019 is a wasteful number, since it uses less digits than its factorization.

20210022100019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10767195324.

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 20210022100019 in words is "twenty trillion, two hundred ten billion, twenty-two million, one hundred thousand, nineteen".