20434224113020 has 12 divisors (see below), whose sum is σ = 42911870637384. Its totient is φ = 8173689645200.

The previous prime is 20434224112987. The next prime is 20434224113047. The reversal of 20434224113020 is 2031142243402.

It is a super-2 number, since 2×20434224113020² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20434224113020.

It is a congruent number.

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, 510855602806 + ... + 510855602845.

It is an arithmetic number, because the mean of its divisors is an integer number (3575989219782).

Almost surely, 2^{20434224113020} is an apocalyptic number.

20434224113020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20434224113020 is an abundant number, since it is smaller than the sum of its proper divisors (22477646524364).

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

20434224113020 is a wasteful number, since it uses less digits than its factorization.

20434224113020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021711205660 (or 1021711205658 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 20434224113020 its reverse (2031142243402), we get a palindrome (22465366356422).

The spelling of 20434224113020 in words is "twenty trillion, four hundred thirty-four billion, two hundred twenty-four million, one hundred thirteen thousand, twenty".