20424754 has 8 divisors (see below), whose sum is σ = 35013888. Its totient is φ = 8753460.

The previous prime is 20424731. The next prime is 20424773. The reversal of 20424754 is 45742402.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 729442 + ... + 729469.

It is an arithmetic number, because the mean of its divisors is an integer number (4376736).

Almost surely, 2^20424754 is an apocalyptic number.

20424754 is a deficient number, since it is larger than the sum of its proper divisors (14589134).

20424754 is a wasteful number, since it uses less digits than its factorization.

20424754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1458920.

The product of its (nonzero) digits is 8960, while the sum is 28.

The square root of 20424754 is about 4519.3753993223. The cubic root of 20424754 is about 273.3499160407.

The spelling of 20424754 in words is "twenty million, four hundred twenty-four thousand, seven hundred fifty-four".