20415532045042 has 8 divisors (see below), whose sum is σ = 30760622274816. Its totient is φ = 10161991286772.

The previous prime is 20415532045037. The next prime is 20415532045091. The reversal of 20415532045042 is 24054023551402.

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 = 20415532044992 and 20415532045010.

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, 22887367318 + ... + 22887368209.

It is an arithmetic number, because the mean of its divisors is an integer number (3845077784352).

Almost surely, 2^{20415532045042} is an apocalyptic number.

20415532045042 is a deficient number, since it is larger than the sum of its proper divisors (10345090229774).

20415532045042 is a wasteful number, since it uses less digits than its factorization.

20415532045042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45774735752.

The product of its (nonzero) digits is 192000, while the sum is 37.

Adding to 20415532045042 its reverse (24054023551402), we get a palindrome (44469555596444).

The spelling of 20415532045042 in words is "twenty trillion, four hundred fifteen billion, five hundred thirty-two million, forty-five thousand, forty-two".