20346503051042 has 32 divisors (see below), whose sum is σ = 35887904012928. Its totient is φ = 8468745457536.

The previous prime is 20346503051041. The next prime is 20346503051059. The reversal of 20346503051042 is 24015030564302.

It is a super-2 number, since 2×20346503051042² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20346503050993 and 20346503051011.

It is not an unprimeable number, because it can be changed into a prime (20346503051041) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 35620643 + ... + 36187334.

It is an arithmetic number, because the mean of its divisors is an integer number (1121497000404).

Almost surely, 2^{20346503051042} is an apocalyptic number.

20346503051042 is a deficient number, since it is larger than the sum of its proper divisors (15541400961886).

20346503051042 is a wasteful number, since it uses less digits than its factorization.

20346503051042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71808570.

The product of its (nonzero) digits is 86400, while the sum is 35.

The spelling of 20346503051042 in words is "twenty trillion, three hundred forty-six billion, five hundred three million, fifty-one thousand, forty-two".