20460501 has 24 divisors (see below), whose sum is σ = 31187520. Its totient is φ = 12900096.

The previous prime is 20460467. The next prime is 20460523. The reversal of 20460501 is 10506402.

It is a happy number.

It is not a de Polignac number, because 20460501 - 2⁷ = 20460373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20460581) 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 23 ways as a sum of consecutive naturals, for example, 19570 + ... + 20588.

It is an arithmetic number, because the mean of its divisors is an integer number (1299480).

Almost surely, 2^20460501 is an apocalyptic number.

It is an amenable number.

20460501 is a deficient number, since it is larger than the sum of its proper divisors (10727019).

20460501 is a wasteful number, since it uses less digits than its factorization.

20460501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1145 (or 1142 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 20460501 is about 4523.3285310709. The cubic root of 20460501 is about 273.5092936337.

Adding to 20460501 its reverse (10506402), we get a palindrome (30966903).

The spelling of 20460501 in words is "twenty million, four hundred sixty thousand, five hundred one".