20060020 has 12 divisors (see below), whose sum is σ = 42126084. Its totient is φ = 8024000.

The previous prime is 20060009. The next prime is 20060087. The reversal of 20060020 is 2006002.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9960336 + 10099684 = 3156^2 + 3178^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 20059979 and 20060006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 501481 + ... + 501520.

It is an arithmetic number, because the mean of its divisors is an integer number (3510507).

Almost surely, 2^20060020 is an apocalyptic number.

20060020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20060020 is an abundant number, since it is smaller than the sum of its proper divisors (22066064).

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

20060020 is a wasteful number, since it uses less digits than its factorization.

20060020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003010 (or 1003008 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 20060020 is about 4478.8413680326. The cubic root of 20060020 is about 271.7130227309.

20060020 divided by its sum of digits (10) gives a palindrome (2006002).

Adding to 20060020 its reverse (2006002), we get a palindrome (22066022).

The spelling of 20060020 in words is "twenty million, sixty thousand, twenty".