20200132004420 has 12 divisors (see below), whose sum is σ = 42420277209324. Its totient is φ = 8080052801760.

The previous prime is 20200132004387. The next prime is 20200132004477. The reversal of 20200132004420 is 2440023100202.

It can be written as a sum of positive squares in 2 ways, for example, as 6655244210176 + 13544887794244 = 2579776^2 + 3680338^2 .

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: 1010006600221 = 20200132004420 / (2 + 0 + 2 + 0 + 0 + 1 + 3 + 2 + 0 + 0 + 4 + 4 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 20200132004392 and 20200132004401.

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, 505003300091 + ... + 505003300130.

It is an arithmetic number, because the mean of its divisors is an integer number (3535023100777).

Almost surely, 2^{20200132004420} is an apocalyptic number.

20200132004420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20200132004420 is an abundant number, since it is smaller than the sum of its proper divisors (22220145204904).

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

20200132004420 is a wasteful number, since it uses less digits than its factorization.

20200132004420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010006600230 (or 1010006600228 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 20200132004420 its reverse (2440023100202), we get a palindrome (22640155104622).

The spelling of 20200132004420 in words is "twenty trillion, two hundred billion, one hundred thirty-two million, four thousand, four hundred twenty".