42202051324420 has 48 divisors (see below), whose sum is σ = 95444788804848. Its totient is φ = 15581769085440.

The previous prime is 42202051324373. The next prime is 42202051324427. The reversal of 42202051324420 is 2442315020224.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1874445762816 + 40327605561604 = 1369104^2 + 6350402^2 .

It is not an unprimeable number, because it can be changed into a prime (42202051324427) 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, 5003842 + ... + 10461478.

It is an arithmetic number, because the mean of its divisors is an integer number (1988433100101).

Almost surely, 2^{42202051324420} is an apocalyptic number.

It is an amenable number.

42202051324420 is an abundant number, since it is smaller than the sum of its proper divisors (53242737480428).

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

42202051324420 is a wasteful number, since it uses less digits than its factorization.

42202051324420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5487400 (or 5487398 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 31.

Adding to 42202051324420 its reverse (2442315020224), we get a palindrome (44644366344644).

The spelling of 42202051324420 in words is "forty-two trillion, two hundred two billion, fifty-one million, three hundred twenty-four thousand, four hundred twenty".