20295473 has 8 divisors (see below), whose sum is σ = 22344960. Its totient is φ = 18280080.

The previous prime is 20295427. The next prime is 20295479. The reversal of 20295473 is 37459202.

It is a happy number.

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 20295473 - 2¹⁸ = 20033329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20295479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7265 + ... + 9662.

It is an arithmetic number, because the mean of its divisors is an integer number (2793120).

Almost surely, 2^20295473 is an apocalyptic number.

It is an amenable number.

20295473 is a deficient number, since it is larger than the sum of its proper divisors (2049487).

20295473 is a wasteful number, since it uses less digits than its factorization.

20295473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17047.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 20295473 is about 4505.0497222561. The cubic root of 20295473 is about 272.7719609027.

The spelling of 20295473 in words is "twenty million, two hundred ninety-five thousand, four hundred seventy-three".