20288060 has 24 divisors (see below), whose sum is σ = 45882816. Its totient is φ = 7490880.

The previous prime is 20288053. The next prime is 20288063. The reversal of 20288060 is 6088202.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20288063) 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, 38756 + ... + 39275.

It is an arithmetic number, because the mean of its divisors is an integer number (1911784).

Almost surely, 2^20288060 is an apocalyptic number.

20288060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20288060 is an abundant number, since it is smaller than the sum of its proper divisors (25594756).

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

20288060 is a wasteful number, since it uses less digits than its factorization.

20288060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78053 (or 78051 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 20288060 is about 4504.2269036983. The cubic root of 20288060 is about 272.7387465207.

The spelling of 20288060 in words is "twenty million, two hundred eighty-eight thousand, sixty".