20424763 has 8 divisors (see below), whose sum is σ = 20671200. Its totient is φ = 20180160.

The previous prime is 20424731. The next prime is 20424773. The reversal of 20424763 is 36742402.

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

It is a cyclic number.

It is not a de Polignac number, because 20424763 - 2⁵ = 20424731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20424773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38943 + ... + 39463.

It is an arithmetic number, because the mean of its divisors is an integer number (2583900).

Almost surely, 2^20424763 is an apocalyptic number.

20424763 is a deficient number, since it is larger than the sum of its proper divisors (246437).

20424763 is a wasteful number, since it uses less digits than its factorization.

20424763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917.

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 20424763 is about 4519.3763950350. The cubic root of 20424763 is about 273.3499561905.

The spelling of 20424763 in words is "twenty million, four hundred twenty-four thousand, seven hundred sixty-three".