20073212 has 12 divisors (see below), whose sum is σ = 35263536. Its totient is φ = 9997920.

The previous prime is 20073211. The next prime is 20073247. The reversal of 20073212 is 21237002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20073211) by changing a digit.

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, 8489 + ... + 10592.

It is an arithmetic number, because the mean of its divisors is an integer number (2938628).

Almost surely, 2^20073212 is an apocalyptic number.

It is an amenable number.

20073212 is a deficient number, since it is larger than the sum of its proper divisors (15190324).

20073212 is a wasteful number, since it uses less digits than its factorization.

20073212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19348 (or 19346 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 20073212 is about 4480.3138282937. The cubic root of 20073212 is about 271.7725715706.

The spelling of 20073212 in words is "twenty million, seventy-three thousand, two hundred twelve".