1020422240 has 24 divisors (see below), whose sum is σ = 2410747920. Its totient is φ = 408168832.

The previous prime is 1020422233. The next prime is 1020422269. The reversal of 1020422240 is 422240201.

It is a happy number.

It is a super-4 number, since 4×1020422240⁴ (a number of 37 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3188660 + ... + 3188979.

It is an arithmetic number, because the mean of its divisors is an integer number (100447830).

Almost surely, 2^1020422240 is an apocalyptic number.

1020422240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020422240 is an abundant number, since it is smaller than the sum of its proper divisors (1390325680).

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

1020422240 is an equidigital number, since it uses as much as digits as its factorization.

1020422240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6377654 (or 6377646 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 1020422240 is about 31944.0485849868. The cubic root of 1020422240 is about 1006.7615911735.

Adding to 1020422240 its reverse (422240201), we get a palindrome (1442662441).

The spelling of 1020422240 in words is "one billion, twenty million, four hundred twenty-two thousand, two hundred forty".