20001712 has 10 divisors (see below), whose sum is σ = 38753348. Its totient is φ = 10000848.

The previous prime is 20001703. The next prime is 20001763. The reversal of 20001712 is 21710002.

It is a junction number, because it is equal to n+sod(n) for n = 20001692 and 20001701.

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 as a sum of consecutive naturals, namely, 625038 + ... + 625069.

Almost surely, 2^20001712 is an apocalyptic number.

It is an amenable number.

20001712 is a deficient number, since it is larger than the sum of its proper divisors (18751636).

20001712 is a wasteful number, since it uses less digits than its factorization.

20001712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1250115 (or 1250109 counting only the distinct ones).

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

The square root of 20001712 is about 4472.3273583225. The cubic root of 20001712 is about 271.4495065768.

Adding to 20001712 its reverse (21710002), we get a palindrome (41711714).

The spelling of 20001712 in words is "twenty million, one thousand, seven hundred twelve".