4020330220242 has 32 divisors (see below), whose sum is σ = 9203270630400. Its totient is φ = 1146922725648.

The previous prime is 4020330220241. The next prime is 4020330220253. The reversal of 4020330220242 is 2420220330204.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (4020330220241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72599142 + ... + 72654497.

It is an arithmetic number, because the mean of its divisors is an integer number (287602207200).

Almost surely, 2^{4020330220242} is an apocalyptic number.

4020330220242 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

4020330220242 is an abundant number, since it is smaller than the sum of its proper divisors (5182940410158).

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

4020330220242 is a wasteful number, since it uses less digits than its factorization.

4020330220242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145254310.

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 4020330220242 its reverse (2420220330204), we get a palindrome (6440550550446).

The spelling of 4020330220242 in words is "four trillion, twenty billion, three hundred thirty million, two hundred twenty thousand, two hundred forty-two".