20020243295 has 16 divisors (see below), whose sum is σ = 25920183072. Its totient is φ = 14756826240.

The previous prime is 20020243291. The next prime is 20020243337. The reversal of 20020243295 is 59234202002.

It is not a de Polignac number, because 20020243295 - 2² = 20020243291 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 (20020243291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 249497 + ... + 319826.

It is an arithmetic number, because the mean of its divisors is an integer number (1620011442).

Almost surely, 2^20020243295 is an apocalyptic number.

20020243295 is a deficient number, since it is larger than the sum of its proper divisors (5899939777).

20020243295 is a wasteful number, since it uses less digits than its factorization.

20020243295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569882.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 20020243295 its reverse (59234202002), we get a palindrome (79254445297).

The spelling of 20020243295 in words is "twenty billion, twenty million, two hundred forty-three thousand, two hundred ninety-five".