42002040042220 has 24 divisors (see below), whose sum is σ = 88272606593808. Its totient is φ = 16787802206400.

The previous prime is 42002040042217. The next prime is 42002040042223. The reversal of 42002040042220 is 2224004020024.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (42002040042217) and next prime (42002040042223).

It is a junction number, because it is equal to n+sod(n) for n = 42002040042191 and 42002040042200.

It is not an unprimeable number, because it can be changed into a prime (42002040042223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 813336691 + ... + 813388330.

It is an arithmetic number, because the mean of its divisors is an integer number (3678025274742).

Almost surely, 2^{42002040042220} is an apocalyptic number.

It is an amenable number.

42002040042220 is an abundant number, since it is smaller than the sum of its proper divisors (46270566551588).

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

42002040042220 is a wasteful number, since it uses less digits than its factorization.

42002040042220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626726321 (or 1626726319 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 42002040042220 its reverse (2224004020024), we get a palindrome (44226044062244).

The spelling of 42002040042220 in words is "forty-two trillion, two billion, forty million, forty-two thousand, two hundred twenty".