20712010 has 16 divisors (see below), whose sum is σ = 40671072. Its totient is φ = 7531600.

The previous prime is 20711987. The next prime is 20712019. The reversal of 20712010 is 1021702.

It is not an unprimeable number, because it can be changed into a prime (20712019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94036 + ... + 94255.

It is an arithmetic number, because the mean of its divisors is an integer number (2541942).

Almost surely, 2^20712010 is an apocalyptic number.

20712010 is a deficient number, since it is larger than the sum of its proper divisors (19959062).

20712010 is a wasteful number, since it uses less digits than its factorization.

20712010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188309.

The product of its (nonzero) digits is 28, while the sum is 13.

The square root of 20712010 is about 4551.0449349572. The cubic root of 20712010 is about 274.6254294325.

Adding to 20712010 its reverse (1021702), we get a palindrome (21733712).

The spelling of 20712010 in words is "twenty million, seven hundred twelve thousand, ten".