20041550 has 24 divisors (see below), whose sum is σ = 37894152. Its totient is φ = 7884000.

The previous prime is 20041537. The next prime is 20041573. The reversal of 20041550 is 5514002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 236 + ... + 6335.

It is an arithmetic number, because the mean of its divisors is an integer number (1578923).

Almost surely, 2^20041550 is an apocalyptic number.

20041550 is a deficient number, since it is larger than the sum of its proper divisors (17852602).

20041550 is a wasteful number, since it uses less digits than its factorization.

20041550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6644 (or 6639 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 20041550 is about 4476.7789760050. The cubic root of 20041550 is about 271.6296050579.

Adding to 20041550 its reverse (5514002), we get a palindrome (25555552).

The spelling of 20041550 in words is "twenty million, forty-one thousand, five hundred fifty".