20652456 has 32 divisors (see below), whose sum is σ = 56325600. Its totient is φ = 6258240.

The previous prime is 20652439. The next prime is 20652493. The reversal of 20652456 is 65425602.

It is an unprimeable number.

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, 38851 + ... + 39378.

It is an arithmetic number, because the mean of its divisors is an integer number (1760175).

Almost surely, 2^20652456 is an apocalyptic number.

It is an amenable number.

20652456 is an abundant number, since it is smaller than the sum of its proper divisors (35673144).

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

20652456 is a wasteful number, since it uses less digits than its factorization.

20652456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78249 (or 78245 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 20652456 is about 4544.4973319389. The cubic root of 20652456 is about 274.3619632385.

The spelling of 20652456 in words is "twenty million, six hundred fifty-two thousand, four hundred fifty-six".