20601035 has 32 divisors (see below), whose sum is σ = 32040960. Its totient is φ = 12348288.

The previous prime is 20601029. The next prime is 20601037. The reversal of 20601035 is 53010602.

It is a cyclic number.

It is not a de Polignac number, because 20601035 - 2¹⁶ = 20535499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20601037) 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 31 ways as a sum of consecutive naturals, for example, 7454 + ... + 9836.

It is an arithmetic number, because the mean of its divisors is an integer number (1001280).

Almost surely, 2^20601035 is an apocalyptic number.

20601035 is a deficient number, since it is larger than the sum of its proper divisors (11439925).

20601035 is a wasteful number, since it uses less digits than its factorization.

20601035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2427.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 20601035 is about 4538.8363046050. The cubic root of 20601035 is about 274.1340695758.

Adding to 20601035 its reverse (53010602), we get a palindrome (73611637).

The spelling of 20601035 in words is "twenty million, six hundred one thousand, thirty-five".