20413307 has 8 divisors (see below), whose sum is σ = 21204000. Its totient is φ = 19635264.

The previous prime is 20413291. The next prime is 20413331. The reversal of 20413307 is 70331402.

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

It is a cyclic number.

It is not a de Polignac number, because 20413307 - 2⁴ = 20413291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20413357) 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, 194 + ... + 6392.

It is an arithmetic number, because the mean of its divisors is an integer number (2650500).

Almost surely, 2^20413307 is an apocalyptic number.

20413307 is a deficient number, since it is larger than the sum of its proper divisors (790693).

20413307 is an equidigital number, since it uses as much as digits as its factorization.

20413307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6325.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 20413307 is about 4518.1087857642. The cubic root of 20413307 is about 273.2988404157.

Adding to 20413307 its reverse (70331402), we get a palindrome (90744709).

The spelling of 20413307 in words is "twenty million, four hundred thirteen thousand, three hundred seven".