20071758242 has 8 divisors (see below), whose sum is σ = 30748225536. Its totient is φ = 9822349732.

The previous prime is 20071758241. The next prime is 20071758247. The reversal of 20071758242 is 24285717002.

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

It is a junction number, because it is equal to n+sod(n) for n = 20071758196 and 20071758205.

It is not an unprimeable number, because it can be changed into a prime (20071758241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106764578 + ... + 106764765.

It is an arithmetic number, because the mean of its divisors is an integer number (3843528192).

Almost surely, 2^20071758242 is an apocalyptic number.

20071758242 is a deficient number, since it is larger than the sum of its proper divisors (10676467294).

20071758242 is a wasteful number, since it uses less digits than its factorization.

20071758242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213529392.

The product of its (nonzero) digits is 62720, while the sum is 38.

The spelling of 20071758242 in words is "twenty billion, seventy-one million, seven hundred fifty-eight thousand, two hundred forty-two".