20345552242 has 8 divisors (see below), whose sum is σ = 30579002496. Its totient is φ = 10152551412.

The previous prime is 20345552233. The next prime is 20345552251. The reversal of 20345552242 is 24225554302.

It is an interprime number because it is at equal distance from previous prime (20345552233) and next prime (20345552251).

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 = 20345552198 and 20345552207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10111098 + ... + 10113109.

It is an arithmetic number, because the mean of its divisors is an integer number (3822375312).

Almost surely, 2^20345552242 is an apocalyptic number.

20345552242 is a deficient number, since it is larger than the sum of its proper divisors (10233450254).

20345552242 is a wasteful number, since it uses less digits than its factorization.

20345552242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20224712.

The product of its (nonzero) digits is 96000, while the sum is 34.

The spelling of 20345552242 in words is "twenty billion, three hundred forty-five million, five hundred fifty-two thousand, two hundred forty-two".