20207012 has 36 divisors (see below), whose sum is σ = 41502384. Its totient is φ = 8583120.

The previous prime is 20207003. The next prime is 20207023. The reversal of 20207012 is 21070202.

It is a Harshad number since it is a multiple of its sum of digits (14).

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 11 ways as a sum of consecutive naturals, for example, 25283 + ... + 26069.

It is an arithmetic number, because the mean of its divisors is an integer number (1152844).

Almost surely, 2^20207012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20207012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20751192).

20207012 is an abundant number, since it is smaller than the sum of its proper divisors (21295372).

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

20207012 is a wasteful number, since it uses less digits than its factorization.

20207012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936 (or 927 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 14.

The square root of 20207012 is about 4495.2210179256. The cubic root of 20207012 is about 272.3750772687.

Adding to 20207012 its reverse (21070202), we get a palindrome (41277214).

The spelling of 20207012 in words is "twenty million, two hundred seven thousand, twelve".