20201207 has 8 divisors (see below), whose sum is σ = 21801360. Its totient is φ = 18607680.

The previous prime is 20201191. The next prime is 20201227. The reversal of 20201207 is 70210202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20201207 - 2⁴ = 20201191 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20201191 and 20201200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20201227) 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, 6032 + ... + 8762.

It is an arithmetic number, because the mean of its divisors is an integer number (2725170).

Almost surely, 2^20201207 is an apocalyptic number.

20201207 is a deficient number, since it is larger than the sum of its proper divisors (1600153).

20201207 is a wasteful number, since it uses less digits than its factorization.

20201207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3313.

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

The square root of 20201207 is about 4494.5752858307. The cubic root of 20201207 is about 272.3489924496.

Adding to 20201207 its reverse (70210202), we get a palindrome (90411409).

The spelling of 20201207 in words is "twenty million, two hundred one thousand, two hundred seven".