202002410430020 has 12 divisors (see below), whose sum is σ = 424205061903084. Its totient is φ = 80800964172000.

The previous prime is 202002410430001. The next prime is 202002410430047. The reversal of 202002410430020 is 20034014200202.

It can be written as a sum of positive squares in 2 ways, for example, as 102283772239936 + 99718638190084 = 10113544^2 + 9985922^2 .

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: 10100120521501 = 202002410430020 / (2 + 0 + 2 + 0 + 0 + 2 + 4 + 1 + 0 + 4 + 3 + 0 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 202002410429974 and 202002410430001.

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, 5050060260731 + ... + 5050060260770.

It is an arithmetic number, because the mean of its divisors is an integer number (35350421825257).

Almost surely, 2^{202002410430020} is an apocalyptic number.

202002410430020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202002410430020 is an abundant number, since it is smaller than the sum of its proper divisors (222202651473064).

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

202002410430020 is a wasteful number, since it uses less digits than its factorization.

202002410430020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10100120521510 (or 10100120521508 counting only the distinct ones).

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

Adding to 202002410430020 its reverse (20034014200202), we get a palindrome (222036424630222).

The spelling of 202002410430020 in words is "two hundred two trillion, two billion, four hundred ten million, four hundred thirty thousand, twenty".