20020219999 has 8 divisors (see below), whose sum is σ = 22142946560. Its totient is φ = 17980737696.

The previous prime is 20020219931. The next prime is 20020220023. The reversal of 20020219999 is 99991202002.

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 20020219999 - 2⁷ = 20020219871 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 (20020219799) 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, 20810559 + ... + 20811520.

It is an arithmetic number, because the mean of its divisors is an integer number (2767868320).

Almost surely, 2^20020219999 is an apocalyptic number.

20020219999 is a deficient number, since it is larger than the sum of its proper divisors (2122726561).

20020219999 is a wasteful number, since it uses less digits than its factorization.

20020219999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41622129.

The product of its (nonzero) digits is 52488, while the sum is 43.

The spelling of 20020219999 in words is "twenty billion, twenty million, two hundred nineteen thousand, nine hundred ninety-nine".