20295801 has 6 divisors (see below), whose sum is σ = 29316170. Its totient is φ = 13530528.

The previous prime is 20295799. The next prime is 20295833. The reversal of 20295801 is 10859202.

It can be written as a sum of positive squares in only one way, i.e., 14288400 + 6007401 = 3780^2 + 2451^2 .

It is not a de Polignac number, because 20295801 - 2¹ = 20295799 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20295881) 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 5 ways as a sum of consecutive naturals, for example, 1127536 + ... + 1127553.

Almost surely, 2^20295801 is an apocalyptic number.

It is an amenable number.

20295801 is a deficient number, since it is larger than the sum of its proper divisors (9020369).

20295801 is a wasteful number, since it uses less digits than its factorization.

20295801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2255095 (or 2255092 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 20295801 is about 4505.0861257028. The cubic root of 20295801 is about 272.7734303391.

The spelling of 20295801 in words is "twenty million, two hundred ninety-five thousand, eight hundred one".