1007426820 has 24 divisors (see below), whose sum is σ = 2820795264. Its totient is φ = 268647136.

The previous prime is 1007426813. The next prime is 1007426821. The reversal of 1007426820 is 286247001.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (1007426821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8395164 + ... + 8395283.

It is an arithmetic number, because the mean of its divisors is an integer number (117533136).

Almost surely, 2^1007426820 is an apocalyptic number.

1007426820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1007426820 is an abundant number, since it is smaller than the sum of its proper divisors (1813368444).

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

1007426820 is a wasteful number, since it uses less digits than its factorization.

1007426820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16790459 (or 16790457 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 1007426820 is about 31739.9877126630. The cubic root of 1007426820 is about 1002.4695032006.

The spelling of 1007426820 in words is "one billion, seven million, four hundred twenty-six thousand, eight hundred twenty".