20200654 has 16 divisors (see below), whose sum is σ = 31481856. Its totient is φ = 9711000.

The previous prime is 20200651. The next prime is 20200657. The reversal of 20200654 is 45600202.

It is an interprime number because it is at equal distance from previous prime (20200651) and next prime (20200657).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20200651) 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 7 ways as a sum of consecutive naturals, for example, 9379 + ... + 11329.

It is an arithmetic number, because the mean of its divisors is an integer number (1967616).

Almost surely, 2^20200654 is an apocalyptic number.

20200654 is a deficient number, since it is larger than the sum of its proper divisors (11281202).

20200654 is a wasteful number, since it uses less digits than its factorization.

20200654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2151.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 20200654 is about 4494.5137668050. The cubic root of 20200654 is about 272.3465072785.

Adding to 20200654 its reverse (45600202), we get a palindrome (65800856).

The spelling of 20200654 in words is "twenty million, two hundred thousand, six hundred fifty-four".