20201307 has 16 divisors (see below), whose sum is σ = 30877440. Its totient is φ = 11508192.

The previous prime is 20201303. The next prime is 20201329. The reversal of 20201307 is 70310202.

It is not a de Polignac number, because 20201307 - 2² = 20201303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20201303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6544 + ... + 9122.

It is an arithmetic number, because the mean of its divisors is an integer number (1929840).

Almost surely, 2^20201307 is an apocalyptic number.

20201307 is a deficient number, since it is larger than the sum of its proper divisors (10676133).

20201307 is a wasteful number, since it uses less digits than its factorization.

20201307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2962.

The product of its (nonzero) digits is 84, while the sum is 15.

The square root of 20201307 is about 4494.5864103386. The cubic root of 20201307 is about 272.3494418428.

Adding to 20201307 its reverse (70310202), we get a palindrome (90511509).

The spelling of 20201307 in words is "twenty million, two hundred one thousand, three hundred seven".