20628060 has 24 divisors (see below), whose sum is σ = 57758736. Its totient is φ = 5500800.

The previous prime is 20628059. The next prime is 20628061. The reversal of 20628060 is 6082602.

It is an interprime number because it is at equal distance from previous prime (20628059) and next prime (20628061).

It is a self number, because there is not a number n which added to its sum of digits gives 20628060.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20628061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171841 + ... + 171960.

It is an arithmetic number, because the mean of its divisors is an integer number (2406614).

Almost surely, 2^20628060 is an apocalyptic number.

20628060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20628060 is an abundant number, since it is smaller than the sum of its proper divisors (37130676).

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

20628060 is a wasteful number, since it uses less digits than its factorization.

20628060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343813 (or 343811 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 20628060 is about 4541.8124135636. The cubic root of 20628060 is about 274.2538893817.

The spelling of 20628060 in words is "twenty million, six hundred twenty-eight thousand, sixty".