100773020 has 24 divisors (see below), whose sum is σ = 212727984. Its totient is φ = 40098816.

The previous prime is 100773011. The next prime is 100773047. The reversal of 100773020 is 20377001.

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 = 100772983 and 100773001.

It is a congruent number.

It is an unprimeable number.

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, 9194 + ... + 16913.

It is an arithmetic number, because the mean of its divisors is an integer number (8863666).

Almost surely, 2^100773020 is an apocalyptic number.

100773020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100773020 is an abundant number, since it is smaller than the sum of its proper divisors (111954964).

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

100773020 is a wasteful number, since it uses less digits than its factorization.

100773020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26309 (or 26307 counting only the distinct ones).

The product of its (nonzero) digits is 294, while the sum is 20.

The square root of 100773020 is about 10038.5765923262. The cubic root of 100773020 is about 465.3518283869.

The spelling of 100773020 in words is "one hundred million, seven hundred seventy-three thousand, twenty".