4020422000 has 80 divisors (see below), whose sum is σ = 11110187712. Its totient is φ = 1378425600.

The previous prime is 4020421997. The next prime is 4020422017. The reversal of 4020422000 is 2240204.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 129587 + ... + 157586.

Almost surely, 2^4020422000 is an apocalyptic number.

4020422000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4020422000 is an abundant number, since it is smaller than the sum of its proper divisors (7089765712).

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

4020422000 is a wasteful number, since it uses less digits than its factorization.

4020422000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287203 (or 287187 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 4020422000 is about 63406.7977428288. The cubic root of 4020422000 is about 1590.0979594987.

Adding to 4020422000 its reverse (2240204), we get a palindrome (4022662204).

The spelling of 4020422000 in words is "four billion, twenty million, four hundred twenty-two thousand".