20015202432020 has 12 divisors (see below), whose sum is σ = 42031925107284. Its totient is φ = 8006080972800.

The previous prime is 20015202432011. The next prime is 20015202432047. The reversal of 20015202432020 is 2023420251002.

It can be written as a sum of positive squares in 2 ways, for example, as 11259272874256 + 8755929557764 = 3355484^2 + 2959042^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500380060781 + ... + 500380060820.

It is an arithmetic number, because the mean of its divisors is an integer number (3502660425607).

Almost surely, 2^{20015202432020} is an apocalyptic number.

20015202432020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20015202432020 is an abundant number, since it is smaller than the sum of its proper divisors (22016722675264).

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

20015202432020 is a wasteful number, since it uses less digits than its factorization.

20015202432020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000760121610 (or 1000760121608 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 20015202432020 its reverse (2023420251002), we get a palindrome (22038622683022).

The spelling of 20015202432020 in words is "twenty trillion, fifteen billion, two hundred two million, four hundred thirty-two thousand, twenty".