20073012 has 12 divisors (see below), whose sum is σ = 46837056. Its totient is φ = 6691000.

The previous prime is 20073007. The next prime is 20073019. The reversal of 20073012 is 21037002.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 20072982 and 20073000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20073019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 836364 + ... + 836387.

It is an arithmetic number, because the mean of its divisors is an integer number (3903088).

Almost surely, 2^20073012 is an apocalyptic number.

It is an amenable number.

20073012 is an abundant number, since it is smaller than the sum of its proper divisors (26764044).

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

20073012 is a wasteful number, since it uses less digits than its factorization.

20073012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1672758 (or 1672756 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 15.

The square root of 20073012 is about 4480.2915083731. The cubic root of 20073012 is about 271.7716689631.

The spelling of 20073012 in words is "twenty million, seventy-three thousand, twelve".