20197276 has 12 divisors (see below), whose sum is σ = 38558520. Its totient is φ = 9180560.

The previous prime is 20197271. The next prime is 20197277. The reversal of 20197276 is 67279102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20197271) 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 3 ways as a sum of consecutive naturals, for example, 229471 + ... + 229558.

It is an arithmetic number, because the mean of its divisors is an integer number (3213210).

Almost surely, 2^20197276 is an apocalyptic number.

It is an amenable number.

20197276 is a deficient number, since it is larger than the sum of its proper divisors (18361244).

20197276 is a wasteful number, since it uses less digits than its factorization.

20197276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459044 (or 459042 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 20197276 is about 4494.1379596092. The cubic root of 20197276 is about 272.3313256284.

The spelling of 20197276 in words is "twenty million, one hundred ninety-seven thousand, two hundred seventy-six".