20202013232020 has 12 divisors (see below), whose sum is σ = 42424227787284. Its totient is φ = 8080805292800.

The previous prime is 20202013232017. The next prime is 20202013232029. The reversal of 20202013232020 is 2023231020202.

It can be written as a sum of positive squares in 2 ways, for example, as 4388840641936 + 15813172590084 = 2094956^2 + 3976578^2 .

It is a super-2 number, since 2×20202013232020² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202013232029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505050330781 + ... + 505050330820.

It is an arithmetic number, because the mean of its divisors is an integer number (3535352315607).

Almost surely, 2^{20202013232020} is an apocalyptic number.

20202013232020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20202013232020 is an abundant number, since it is smaller than the sum of its proper divisors (22222214555264).

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

20202013232020 is a wasteful number, since it uses less digits than its factorization.

20202013232020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010100661610 (or 1010100661608 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 20202013232020 its reverse (2023231020202), we get a palindrome (22225244252222).

The spelling of 20202013232020 in words is "twenty trillion, two hundred two billion, thirteen million, two hundred thirty-two thousand, twenty".