20100717424 has 20 divisors (see below), whose sum is σ = 40994884840. Its totient is φ = 9521392320.

The previous prime is 20100717401. The next prime is 20100717437. The reversal of 20100717424 is 42471700102.

It is a junction number, because it is equal to n+sod(n) for n = 20100717392 and 20100717401.

It is a congruent number.

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, 33060087 + ... + 33060694.

It is an arithmetic number, because the mean of its divisors is an integer number (2049744242).

Almost surely, 2^20100717424 is an apocalyptic number.

It is an amenable number.

20100717424 is an abundant number, since it is smaller than the sum of its proper divisors (20894167416).

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

20100717424 is a wasteful number, since it uses less digits than its factorization.

20100717424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66120808 (or 66120802 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 28.

The spelling of 20100717424 in words is "twenty billion, one hundred million, seven hundred seventeen thousand, four hundred twenty-four".