20020295 has 8 divisors (see below), whose sum is σ = 24852960. Its totient is φ = 15463840.

The previous prime is 20020291. The next prime is 20020303. The reversal of 20020295 is 59202002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20020295 - 2² = 20020291 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68891 + ... + 69180.

It is an arithmetic number, because the mean of its divisors is an integer number (3106620).

Almost surely, 2^20020295 is an apocalyptic number.

20020295 is a deficient number, since it is larger than the sum of its proper divisors (4832665).

20020295 is a wasteful number, since it uses less digits than its factorization.

20020295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138105.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 20020295 is about 4474.4044296420. The cubic root of 20020295 is about 271.5335457964.

Adding to 20020295 its reverse (59202002), we get a palindrome (79222297).

The spelling of 20020295 in words is "twenty million, twenty thousand, two hundred ninety-five".