202221300042 has 48 divisors (see below), whose sum is σ = 463621317120. Its totient is φ = 63524995200.

The previous prime is 202221300041. The next prime is 202221300067. The reversal of 202221300042 is 240003122202.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 202221299988 and 202221300024.

It is not an unprimeable number, because it can be changed into a prime (202221300041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1482559 + ... + 1613202.

It is an arithmetic number, because the mean of its divisors is an integer number (9658777440).

Almost surely, 2^202221300042 is an apocalyptic number.

202221300042 is an abundant number, since it is smaller than the sum of its proper divisors (261400017078).

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

202221300042 is a wasteful number, since it uses less digits than its factorization.

202221300042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3095979 (or 3095976 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 202221300042 its reverse (240003122202), we get a palindrome (442224422244).

The spelling of 202221300042 in words is "two hundred two billion, two hundred twenty-one million, three hundred thousand, forty-two".