42133503220 has 24 divisors (see below), whose sum is σ = 90638416008. Its totient is φ = 16442342400.

The previous prime is 42133503193. The next prime is 42133503229. The reversal of 42133503220 is 2230533124.

It can be written as a sum of positive squares in 4 ways, for example, as 6023622544 + 36109880676 = 77612^2 + 190026^2 .

It is a super-4 number, since 4×42133503220⁴ (a number of 44 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42133503229) 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, 25690341 + ... + 25691980.

It is an arithmetic number, because the mean of its divisors is an integer number (3776600667).

Almost surely, 2^42133503220 is an apocalyptic number.

It is an amenable number.

42133503220 is an abundant number, since it is smaller than the sum of its proper divisors (48504912788).

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

42133503220 is a wasteful number, since it uses less digits than its factorization.

42133503220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51382371 (or 51382369 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The spelling of 42133503220 in words is "forty-two billion, one hundred thirty-three million, five hundred three thousand, two hundred twenty".