42011110020 has 96 divisors (see below), whose sum is σ = 131454804096. Its totient is φ = 9936102400.

The previous prime is 42011110013. The next prime is 42011110021. The reversal of 42011110020 is 2001111024.

It is a happy number.

It is a super-2 number, since 2×42011110020² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 42011109978 and 42011110005.

It is not an unprimeable number, because it can be changed into a prime (42011110021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 749199 + ... + 803318.

It is an arithmetic number, because the mean of its divisors is an integer number (1369320876).

Almost surely, 2^42011110020 is an apocalyptic number.

It is an amenable number.

42011110020 is an abundant number, since it is smaller than the sum of its proper divisors (89443694076).

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

42011110020 is a wasteful number, since it uses less digits than its factorization.

42011110020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1552581 (or 1552579 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 42011110020 its reverse (2001111024), we get a palindrome (44012221044).

The spelling of 42011110020 in words is "forty-two billion, eleven million, one hundred ten thousand, twenty".