20654601 has 16 divisors (see below), whose sum is σ = 30345408. Its totient is φ = 12392000.

The previous prime is 20654591. The next prime is 20654617. The reversal of 20654601 is 10645602.

It is a cyclic number.

It is not a de Polignac number, because 20654601 - 2⁶ = 20654537 is a prime.

It is a super-2 number, since 2×20654601² = 853225084938402, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20654671) 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 15 ways as a sum of consecutive naturals, for example, 235 + ... + 6431.

It is an arithmetic number, because the mean of its divisors is an integer number (1896588).

Almost surely, 2^20654601 is an apocalyptic number.

It is an amenable number.

20654601 is a deficient number, since it is larger than the sum of its proper divisors (9690807).

20654601 is a wasteful number, since it uses less digits than its factorization.

20654601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6312.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 20654601 is about 4544.7333255099. The cubic root of 20654601 is about 274.3714614799.

It can be divided in two parts, 2065 and 4601, that added together give a palindrome (6666).

The spelling of 20654601 in words is "twenty million, six hundred fifty-four thousand, six hundred one".