20350245042 has 48 divisors (see below), whose sum is σ = 44844557472. Its totient is φ = 6668638080.

The previous prime is 20350245007. The next prime is 20350245061. The reversal of 20350245042 is 24054205302.

It is a happy number.

20350245042 is a `hidden beast` number, since 203 + 5 + 0 + 2 + 450 + 4 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 20350244997 and 20350245015.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 211978 + ... + 292634.

It is an arithmetic number, because the mean of its divisors is an integer number (934261614).

Almost surely, 2^20350245042 is an apocalyptic number.

20350245042 is an abundant number, since it is smaller than the sum of its proper divisors (24494312430).

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

20350245042 is a wasteful number, since it uses less digits than its factorization.

20350245042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80903 (or 80900 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The spelling of 20350245042 in words is "twenty billion, three hundred fifty million, two hundred forty-five thousand, forty-two".