420024040022 has 16 divisors (see below), whose sum is σ = 635048845200. Its totient is φ = 208347201888.

The previous prime is 420024039977. The next prime is 420024040027. The reversal of 420024040022 is 220040420024.

It is a junction number, because it is equal to n+sod(n) for n = 420024039976 and 420024040003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420024040027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1389788 + ... + 1664799.

It is an arithmetic number, because the mean of its divisors is an integer number (39690552825).

Almost surely, 2^420024040022 is an apocalyptic number.

420024040022 is a deficient number, since it is larger than the sum of its proper divisors (215024805178).

420024040022 is a wasteful number, since it uses less digits than its factorization.

420024040022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3055135.

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 420024040022 its reverse (220040420024), we get a palindrome (640064460046).

The spelling of 420024040022 in words is "four hundred twenty billion, twenty-four million, forty thousand, twenty-two".