42201031220 has 12 divisors (see below), whose sum is σ = 88622165604. Its totient is φ = 16880412480.

The previous prime is 42201031219. The next prime is 42201031237. The reversal of 42201031220 is 2213010224.

It can be written as a sum of positive squares in 2 ways, for example, as 10421551396 + 31779479824 = 102086^2 + 178268^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1055025761 + ... + 1055025800.

It is an arithmetic number, because the mean of its divisors is an integer number (7385180467).

Almost surely, 2^42201031220 is an apocalyptic number.

It is an amenable number.

42201031220 is an abundant number, since it is smaller than the sum of its proper divisors (46421134384).

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

42201031220 is a wasteful number, since it uses less digits than its factorization.

42201031220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2110051570 (or 2110051568 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 42201031220 its reverse (2213010224), we get a palindrome (44414041444).

The spelling of 42201031220 in words is "forty-two billion, two hundred one million, thirty-one thousand, two hundred twenty".