20212323012020 has 48 divisors (see below), whose sum is σ = 42867293672448. Its totient is φ = 8004663945600.

The previous prime is 20212323012019. The next prime is 20212323012041. The reversal of 20212323012020 is 2021032321202.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 20212323011983 and 20212323012001.

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 15 ways as a sum of consecutive naturals, for example, 89176877 + ... + 89403243.

It is an arithmetic number, because the mean of its divisors is an integer number (893068618176).

Almost surely, 2^{20212323012020} is an apocalyptic number.

20212323012020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20212323012020 is an abundant number, since it is smaller than the sum of its proper divisors (22654970660428).

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

20212323012020 is a wasteful number, since it uses less digits than its factorization.

20212323012020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270680 (or 270678 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20212323012020 its reverse (2021032321202), we get a palindrome (22233355333222).

The spelling of 20212323012020 in words is "twenty trillion, two hundred twelve billion, three hundred twenty-three million, twelve thousand, twenty".