20272460225 has 12 divisors (see below), whose sum is σ = 25165472640. Its totient is φ = 16200147600.

The previous prime is 20272460189. The next prime is 20272460233. The reversal of 20272460225 is 52206427202.

It is not a de Polignac number, because 20272460225 - 2⁶ = 20272460161 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20272460191 and 20272460200.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 422285 + ... + 467834.

It is an arithmetic number, because the mean of its divisors is an integer number (2097122720).

Almost surely, 2^20272460225 is an apocalyptic number.

20272460225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20272460225 is a deficient number, since it is larger than the sum of its proper divisors (4893012415).

20272460225 is an equidigital number, since it uses as much as digits as its factorization.

20272460225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891040 (or 891035 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 32.

Adding to 20272460225 its reverse (52206427202), we get a palindrome (72478887427).

The spelling of 20272460225 in words is "twenty billion, two hundred seventy-two million, four hundred sixty thousand, two hundred twenty-five".