20220000021019 has 4 divisors (see below), whose sum is σ = 20220023530696. Its totient is φ = 20219976511344.

The previous prime is 20220000020981. The next prime is 20220000021029. The reversal of 20220000021019 is 91012000002202.

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 20220000021019 - 2²⁵ = 20219966466587 is a prime.

It is a super-2 number, since 2×20220000021019² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20220000020987 and 20220000021005.

It is not an unprimeable number, because it can be changed into a prime (20220000021029) 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, 10413729 + ... + 12201874.

It is an arithmetic number, because the mean of its divisors is an integer number (5055005882674).

Almost surely, 2^{20220000021019} is an apocalyptic number.

20220000021019 is a deficient number, since it is larger than the sum of its proper divisors (23509677).

20220000021019 is an equidigital number, since it uses as much as digits as its factorization.

20220000021019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23509676.

The product of its (nonzero) digits is 144, while the sum is 19.

The spelling of 20220000021019 in words is "twenty trillion, two hundred twenty billion, twenty-one thousand, nineteen".