20273307 has 8 divisors (see below), whose sum is σ = 27128400. Its totient is φ = 13466880.

The previous prime is 20273303. The next prime is 20273321. The reversal of 20273307 is 70337202.

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

It is not a de Polignac number, because 20273307 - 2² = 20273303 is a prime.

It is a super-2 number, since 2×20273307² = 822013953432498, which contains 22 as substring.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (20273303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11182 + ... + 12867.

It is an arithmetic number, because the mean of its divisors is an integer number (3391050).

Almost surely, 2^20273307 is an apocalyptic number.

20273307 is a deficient number, since it is larger than the sum of its proper divisors (6855093).

20273307 is a wasteful number, since it uses less digits than its factorization.

20273307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24333.

The product of its (nonzero) digits is 1764, while the sum is 24.

The square root of 20273307 is about 4502.5889219426. The cubic root of 20273307 is about 272.6726207561.

The spelling of 20273307 in words is "twenty million, two hundred seventy-three thousand, three hundred seven".