20541496 has 32 divisors (see below), whose sum is σ = 39443040. Its totient is φ = 10027008.

The previous prime is 20541449. The next prime is 20541497. The reversal of 20541496 is 69414502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20541497) 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 7 ways as a sum of consecutive naturals, for example, 79800 + ... + 80056.

It is an arithmetic number, because the mean of its divisors is an integer number (1232595).

Almost surely, 2^20541496 is an apocalyptic number.

It is an amenable number.

20541496 is a deficient number, since it is larger than the sum of its proper divisors (18901544).

20541496 is a wasteful number, since it uses less digits than its factorization.

20541496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463 (or 459 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 20541496 is about 4532.2727190671. The cubic root of 20541496 is about 273.8697233524.

Adding to 20541496 its reverse (69414502), we get a palindrome (89955998).

The spelling of 20541496 in words is "twenty million, five hundred forty-one thousand, four hundred ninety-six".