20272675 has 6 divisors (see below), whose sum is σ = 25138148. Its totient is φ = 16218120.

The previous prime is 20272663. The next prime is 20272699. The reversal of 20272675 is 57627202.

It is not a de Polignac number, because 20272675 - 2⁷ = 20272547 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 405429 + ... + 405478.

Almost surely, 2^20272675 is an apocalyptic number.

20272675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20272675 is a deficient number, since it is larger than the sum of its proper divisors (4865473).

20272675 is an equidigital number, since it uses as much as digits as its factorization.

20272675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810917 (or 810912 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 20272675 is about 4502.5187395501. The cubic root of 20272675 is about 272.6697872949.

Adding to 20272675 its reverse (57627202), we get a palindrome (77899877).

The spelling of 20272675 in words is "twenty million, two hundred seventy-two thousand, six hundred seventy-five".