20600028 has 48 divisors (see below), whose sum is σ = 56224000. Its totient is φ = 6504624.

The previous prime is 20600003. The next prime is 20600051. The reversal of 20600028 is 82000602.

It is a super-2 number, since 2×20600028² = 848722307201568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2968 + ... + 7071.

Almost surely, 2^20600028 is an apocalyptic number.

It is an amenable number.

20600028 is an abundant number, since it is smaller than the sum of its proper divisors (35623972).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20600028 is a wasteful number, since it uses less digits than its factorization.

20600028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10071 (or 10063 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 20600028 is about 4538.7253717316. The cubic root of 20600028 is about 274.1296028503.

The spelling of 20600028 in words is "twenty million, six hundred thousand, twenty-eight".