42221353020 has 192 divisors, whose sum is σ = 150527655936. Its totient is φ = 8586558720.

The previous prime is 42221353019. The next prime is 42221353021. The reversal of 42221353020 is 2035312224.

42221353020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (42221353019) and next prime (42221353021).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42221353021) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 119919 + ... + 314361.

It is an arithmetic number, because the mean of its divisors is an integer number (783998208).

Almost surely, 2^42221353020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42221353020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75263827968).

42221353020 is an abundant number, since it is smaller than the sum of its proper divisors (108306302916).

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

42221353020 is a wasteful number, since it uses less digits than its factorization.

42221353020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194520 (or 194518 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 42221353020 its reverse (2035312224), we get a palindrome (44256665244).

The spelling of 42221353020 in words is "forty-two billion, two hundred twenty-one million, three hundred fifty-three thousand, twenty".