20454313 has 8 divisors (see below), whose sum is σ = 22429440. Its totient is φ = 18498480.

The previous prime is 20454311. The next prime is 20454331. The reversal of 20454313 is 31345402.

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

It is not a de Polignac number, because 20454313 - 2¹ = 20454311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20454311) 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, 2553 + ... + 6886.

It is an arithmetic number, because the mean of its divisors is an integer number (2803680).

Almost surely, 2^20454313 is an apocalyptic number.

It is an amenable number.

20454313 is a deficient number, since it is larger than the sum of its proper divisors (1975127).

20454313 is a wasteful number, since it uses less digits than its factorization.

20454313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9647.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 20454313 is about 4522.6444697765. The cubic root of 20454313 is about 273.4817177993.

Adding to 20454313 its reverse (31345402), we get a palindrome (51799715).

The spelling of 20454313 in words is "twenty million, four hundred fifty-four thousand, three hundred thirteen".