20415536042 has 8 divisors (see below), whose sum is σ = 33407240832. Its totient is φ = 9279789100.

The previous prime is 20415536039. The next prime is 20415536051. The reversal of 20415536042 is 24063551402.

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

It is a super-2 number, since 2×20415536042² (a number of 21 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 463989434 + ... + 463989477.

It is an arithmetic number, because the mean of its divisors is an integer number (4175905104).

Almost surely, 2^20415536042 is an apocalyptic number.

20415536042 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20415536042 is a deficient number, since it is larger than the sum of its proper divisors (12991704790).

20415536042 is a wasteful number, since it uses less digits than its factorization.

20415536042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927978924.

The product of its (nonzero) digits is 28800, while the sum is 32.

The spelling of 20415536042 in words is "twenty billion, four hundred fifteen million, five hundred thirty-six thousand, forty-two".