240020020042 has 32 divisors (see below), whose sum is σ = 396725905728. Its totient is φ = 107998800000.

The previous prime is 240020020001. The next prime is 240020020063.

240020020042 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×240020020042² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 240020019998 and 240020020025.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19927542 + ... + 19939582.

It is an arithmetic number, because the mean of its divisors is an integer number (12397684554).

Almost surely, 2^240020020042 is an apocalyptic number.

240020020042 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

240020020042 is a deficient number, since it is larger than the sum of its proper divisors (156705885686).

240020020042 is a wasteful number, since it uses less digits than its factorization.

240020020042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21126.

The product of its (nonzero) digits is 256, while the sum is 16.

It can be divided in two parts, 2400200 and 20042, that added together give a palindrome (2420242).

The spelling of 240020020042 in words is "two hundred forty billion, twenty million, twenty thousand, forty-two".