673011020 has 24 divisors (see below), whose sum is σ = 1541807568. Its totient is φ = 244731200.

The previous prime is 673010959. The next prime is 673011037. The reversal of 673011020 is 20110376.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 673010983 and 673011001.

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 7 ways as a sum of consecutive naturals, for example, 1529351 + ... + 1529790.

It is an arithmetic number, because the mean of its divisors is an integer number (64241982).

Almost surely, 2^673011020 is an apocalyptic number.

It is an amenable number.

673011020 is an abundant number, since it is smaller than the sum of its proper divisors (868796548).

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

673011020 is a wasteful number, since it uses less digits than its factorization.

673011020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3059161 (or 3059159 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 673011020 is about 25942.4559361676. The cubic root of 673011020 is about 876.3428719033.

Adding to 673011020 its reverse (20110376), we get a palindrome (693121396).

The spelling of 673011020 in words is "six hundred seventy-three million, eleven thousand, twenty".