20072295 has 24 divisors (see below), whose sum is σ = 35053200. Its totient is φ = 10624896.

The previous prime is 20072287. The next prime is 20072317. The reversal of 20072295 is 59227002.

It is a happy number.

It is not a de Polignac number, because 20072295 - 2³ = 20072287 is a prime.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 4651 + ... + 7859.

It is an arithmetic number, because the mean of its divisors is an integer number (1460550).

Almost surely, 2^20072295 is an apocalyptic number.

20072295 is a deficient number, since it is larger than the sum of its proper divisors (14980905).

20072295 is a wasteful number, since it uses less digits than its factorization.

20072295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3359 (or 3356 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 20072295 is about 4480.2114905437. The cubic root of 20072295 is about 271.7684330659.

Adding to 20072295 its reverse (59227002), we get a palindrome (79299297).

The spelling of 20072295 in words is "twenty million, seventy-two thousand, two hundred ninety-five".