20410308020 has 12 divisors (see below), whose sum is σ = 42861646884. Its totient is φ = 8164123200.

The previous prime is 20410308013. The next prime is 20410308029. The reversal of 20410308020 is 2080301402.

It can be written as a sum of positive squares in 2 ways, for example, as 4431831184 + 15978476836 = 66572^2 + 126406^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 1020515401 = 20410308020 / (2 + 0 + 4 + 1 + 0 + 3 + 0 + 8 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 20410307983 and 20410308001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20410308029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 510257681 + ... + 510257720.

It is an arithmetic number, because the mean of its divisors is an integer number (3571803907).

Almost surely, 2^20410308020 is an apocalyptic number.

20410308020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20410308020 is an abundant number, since it is smaller than the sum of its proper divisors (22451338864).

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

20410308020 is a wasteful number, since it uses less digits than its factorization.

20410308020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020515410 (or 1020515408 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 20410308020 its reverse (2080301402), we get a palindrome (22490609422).

The spelling of 20410308020 in words is "twenty billion, four hundred ten million, three hundred eight thousand, twenty".