42020256113 has 16 divisors (see below), whose sum is σ = 49163371200. Its totient is φ = 35506860480.

The previous prime is 42020256079. The next prime is 42020256119. The reversal of 42020256113 is 31165202024.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 42020256113 - 2⁸ = 42020255857 is a prime.

It is a super-2 number, since 2×42020256113² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42020256119) 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, 1885658 + ... + 1907811.

It is an arithmetic number, because the mean of its divisors is an integer number (3072710700).

Almost surely, 2^42020256113 is an apocalyptic number.

It is an amenable number.

42020256113 is a deficient number, since it is larger than the sum of its proper divisors (7143115087).

42020256113 is a wasteful number, since it uses less digits than its factorization.

42020256113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3793552.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 42020256113 its reverse (31165202024), we get a palindrome (73185458137).

The spelling of 42020256113 in words is "forty-two billion, twenty million, two hundred fifty-six thousand, one hundred thirteen".