20424490748 has 24 divisors (see below), whose sum is σ = 35805901824. Its totient is φ = 10194254000.

The previous prime is 20424490747. The next prime is 20424490763. The reversal of 20424490748 is 84709442402.

It is a junction number, because it is equal to n+sod(n) for n = 20424490699 and 20424490708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20424490747) 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, 9674213 + ... + 9676323.

It is an arithmetic number, because the mean of its divisors is an integer number (1491912576).

Almost surely, 2^20424490748 is an apocalyptic number.

It is an amenable number.

20424490748 is a deficient number, since it is larger than the sum of its proper divisors (15381411076).

20424490748 is a wasteful number, since it uses less digits than its factorization.

20424490748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5233 (or 5231 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 44.

The spelling of 20424490748 in words is "twenty billion, four hundred twenty-four million, four hundred ninety thousand, seven hundred forty-eight".