20097456 has 40 divisors (see below), whose sum is σ = 52132080. Its totient is φ = 6671616.

The previous prime is 20097443. The next prime is 20097457. The reversal of 20097456 is 65479002.

It is not an unprimeable number, because it can be changed into a prime (20097457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13350 + ... + 14778.

It is an arithmetic number, because the mean of its divisors is an integer number (1303302).

Almost surely, 2^20097456 is an apocalyptic number.

It is an amenable number.

20097456 is an abundant number, since it is smaller than the sum of its proper divisors (32034624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20097456 is a wasteful number, since it uses less digits than its factorization.

20097456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1733 (or 1727 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 20097456 is about 4483.0186258814. The cubic root of 20097456 is about 271.8819412681.

The spelling of 20097456 in words is "twenty million, ninety-seven thousand, four hundred fifty-six".