20462401 has 4 divisors (see below), whose sum is σ = 20505600. Its totient is φ = 20419204.

The previous prime is 20462363. The next prime is 20462417. The reversal of 20462401 is 10426402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20462401 - 2¹⁷ = 20331329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20262401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20881 + ... + 21838.

It is an arithmetic number, because the mean of its divisors is an integer number (5126400).

Almost surely, 2^20462401 is an apocalyptic number.

It is an amenable number.

20462401 is a deficient number, since it is larger than the sum of its proper divisors (43199).

20462401 is an equidigital number, since it uses as much as digits as its factorization.

20462401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43198.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 20462401 is about 4523.5385485259. The cubic root of 20462401 is about 273.5177595647.

Adding to 20462401 its reverse (10426402), we get a palindrome (30888803).

The spelling of 20462401 in words is "twenty million, four hundred sixty-two thousand, four hundred one".