20541602 has 8 divisors (see below), whose sum is σ = 30835200. Its totient is φ = 10263204.

The previous prime is 20541601. The next prime is 20541607. The reversal of 20541602 is 20614502.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (20541601) 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, 599 + ... + 6437.

It is an arithmetic number, because the mean of its divisors is an integer number (3854400).

Almost surely, 2^20541602 is an apocalyptic number.

20541602 is a deficient number, since it is larger than the sum of its proper divisors (10293598).

20541602 is a wasteful number, since it uses less digits than its factorization.

20541602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7600.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 20541602 is about 4532.2844129644. The cubic root of 20541602 is about 273.8701944337.

Subtracting 20541602 from its reverse (20614502), we obtain a square (72900 = 270²).

The spelling of 20541602 in words is "twenty million, five hundred forty-one thousand, six hundred two".