42022000420 has 24 divisors (see below), whose sum is σ = 88258419648. Its totient is φ = 16806472800.

The previous prime is 42022000381. The next prime is 42022000439. The reversal of 42022000420 is 2400022024.

It is a junction number, because it is equal to n+sod(n) for n = 42022000394 and 42022000403.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6465 + ... + 289975.

It is an arithmetic number, because the mean of its divisors is an integer number (3677434152).

Almost surely, 2^42022000420 is an apocalyptic number.

It is an amenable number.

42022000420 is an abundant number, since it is smaller than the sum of its proper divisors (46236419228).

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

42022000420 is a wasteful number, since it uses less digits than its factorization.

42022000420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290931 (or 290929 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 42022000420 its reverse (2400022024), we get a palindrome (44422022444).

The spelling of 42022000420 in words is "forty-two billion, twenty-two million, four hundred twenty", and thus it is an aban number.