20020019995 has 8 divisors (see below), whose sum is σ = 25437201984. Its totient is φ = 15073897344.

The previous prime is 20020019969. The next prime is 20020020017. The reversal of 20020019995 is 59991002002.

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 20020019995 - 2¹¹ = 20020017947 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117764739 + ... + 117764908.

It is an arithmetic number, because the mean of its divisors is an integer number (3179650248).

Almost surely, 2^20020019995 is an apocalyptic number.

20020019995 is a deficient number, since it is larger than the sum of its proper divisors (5417181989).

20020019995 is a wasteful number, since it uses less digits than its factorization.

20020019995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235529669.

The product of its (nonzero) digits is 14580, while the sum is 37.

The spelling of 20020019995 in words is "twenty billion, twenty million, nineteen thousand, nine hundred ninety-five".