20272353 has 4 divisors (see below), whose sum is σ = 27029808. Its totient is φ = 13514900.

The previous prime is 20272339. The next prime is 20272379. The reversal of 20272353 is 35327202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20272353 - 2⁶ = 20272289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20270353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3378723 + ... + 3378728.

It is an arithmetic number, because the mean of its divisors is an integer number (6757452).

Almost surely, 2^20272353 is an apocalyptic number.

It is an amenable number.

20272353 is a deficient number, since it is larger than the sum of its proper divisors (6757455).

20272353 is an equidigital number, since it uses as much as digits as its factorization.

20272353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6757454.

The product of its (nonzero) digits is 2520, while the sum is 24.

The square root of 20272353 is about 4502.4829816447. The cubic root of 20272353 is about 272.6683436417.

Adding to 20272353 its reverse (35327202), we get a palindrome (55599555).

The spelling of 20272353 in words is "twenty million, two hundred seventy-two thousand, three hundred fifty-three".